Root regions
Nodes grouped by the interval that contains every root of every row (proved, for all n). A node can have several proved regions; the sharpest is the smallest interval.
Nodes with all roots in (-inf, 0] (2294)
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A088996 → basis A013609
1 · 1, 2 · 3, 10, 8 · 15, 68, 100, 48 … row sums 1, 3, 21, 231, 3465, 65835, 1514205, …
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basis-map coefficients of A113214, shifted → basis A013611
1 · -2, -4 · 4, 16, 16 · -8, -48, -96, -64 … row sums 1, -6, 36, -216, 1296, -7776, 46656, …
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A081582: Pascal-(1,7,1) array.
1 · 1, 1 · 1, 9, 1 · 1, 17, 17, 1 … row sums 1, 2, 11, 36, 149, 550, 2143, 8136, …
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basis-map coefficients of A026729 → basis A013611
1 · 1, 4 · 1, 8, 16 · 1, 12, 48, 64 … row sums 1, 5, 25, 125, 625, 3125, 15625, 78125, …
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A113953 → D
1 · 2, 2 · 0, 8, 3 · 0, 8, 18, 4 … row sums 0, 1, 4, 11, 30, 73, 176, 407, …
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A257609 → D (shift +2)
11, 22, 3 · 26, 132, 78, 4 · 57, 604, 906, 228, 5 … row sums 36, 240, 1800, 15120, 141120, 1451520, …
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A102547 → reverse → θ+1
0, 2 · 0, 0, 3 · 0, 0, 0, 4 · 0, 0, 0, 4, 5 … row sums 2, 3, 4, 9, 16, 25, 42, 70, …
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A094816 → basis A013610
1 · 2, 3 · 5, 15, 9 · 16, 69, 81, 27 … row sums 1, 5, 29, 193, 1457, 12341, 116125, …
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A052553 → basis A013609
1 · 1 · 2, 2 · 3, 4 … row sums 1, 1, 4, 7, 19, 40, 97, 217, …
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A038271 → basis A008277
1 · 12, 5 · 144, 145, 25 · 1728, 3185, 1275, 125 … row sums 1, 17, 314, 6313, 137871, 3256232, …
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A099093 → basis A007318
1 · 3, 3 · 12, 21, 9 · 45, 117, 99, 27 … row sums 1, 6, 42, 288, 1980, 13608, 93528, …
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Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*6^j.
121, 132, 36 · 1331, 2178, 1188, 216 … row sums 289, 4913, 83521, 1419857, 24137569, …
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A125662 → basis A013611
1 · 4, 4 · 15, 32, 16 · 56, 184, 192, 64 … row sums 1, 8, 63, 496, 3905, 30744, 242047, …
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A113214 → (θ+1)²
1 · 2, 4 · 0, 12, 9 · 0, 8, 36, 16 … row sums 1, 6, 21, 60, 150, 348, 763, 1608, …
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A299989 → basis A007318
1, 1 · 8, 14, 7, 1 · 64, 160, 148, 64, 13, 1 … row sums 2, 30, 450, 6750, 101250, 1518750, …
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A172431 → D+1
1 · 3, 2 · 5, 10, 3 · 7, 26, 22, 4 … row sums 1, 5, 18, 59, 185, 564, 1685, 4957, …
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A143495 → D+1
1 · 4, 1 · 16, 9, 1 · 64, 61, 15, 1 … row sums 1, 5, 26, 141, 799, 4736, 29371, …
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A159854 → Veronese 2 (j=1)
0, 1 · 0, 2 · 0, 3, 1 · 0, 4, 4 … row sums 0, 1, 2, 4, 8, 16, 32, 64, …
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A178821 → Veronese 2
1 · 5 · 15, 15 · 35, 105 … row sums 1, 5, 30, 140, 560, 2016, 6720, 21120, …
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A207824 → basis A007318
1 · 6, 1 · 35, 12, 1 · 204, 106, 18, 1 … row sums 1, 7, 48, 329, 2255, 15456, 105937, …
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A078812 → θ+1
1 · 2, 2 · 3, 8, 3 · 4, 20, 18, 4 … row sums 1, 4, 14, 46, 145, 444, 1331, 3926, …
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A227450 → (θ+1)²
2 · 2, 16 · 2, 48, 72 · 2, 112, 432, 256 … row sums 2, 18, 122, 802, 5402, 37922, 278938, …
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A104684 → D
1 · 6, 2 · 30, 24, 3 · 140, 180, 60, 4 … row sums 0, 1, 8, 57, 384, 2505, 16008, 100849, …
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A249252 → basis A007318
1 · 5, 4 · 17, 24, 8 · 61, 124, 80, 16 … row sums 1, 9, 49, 281, 1601, 9129, 52049, …
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A038314 → basis A008277
484, 672, 144 · 10648, 28656, 14688, 1728 … row sums 1300, 55720, 2653072, 138846496, …
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A013613 → basis A008277
1 · 7, 6 · 49, 120, 36 · 343, 1854, 1404, 216 … row sums 1, 13, 205, 3817, 81481, 1949749, …
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A038279 → basis A013609
1 · 9, 2 · 81, 36, 4 · 729, 486, 108, 8 … row sums 1, 11, 121, 1331, 14641, 161051, …
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basis-map coefficients of A371080, shifted → basis A013609
1 · 1, 2 · 4, 10, 4 · 28, 78, 48, 8 … row sums 1, 3, 18, 162, 1944, 29160, 524880, …
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A120909 → basis A008277
3 · 9, 6 · 27, 48, 12 · 81, 294, 180, 24 … row sums 3, 15, 87, 579, 4347, 36231, 330927, …
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A249251 → Veronese 2
1 · 1 · 1, 6 · 1, 21 … row sums 1, 1, 7, 22, 70, 235, 775, 2557, …
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A038220 → basis A013611
1 · 5, 8 · 25, 80, 64 · 125, 600, 960, 512 … row sums 1, 13, 169, 2197, 28561, 371293, …
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A038337 → basis A013611
529, 2024, 1936 · 12167, 69828, 133584, 85184 … row sums 4489, 300763, 20151121, 1350125107, …
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A188440 → basis A013609
1 · 1 · 3, 4 · 3, 4 … row sums 1, 1, 7, 7, 49, 49, 343, 343, …
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A038320 → basis A013611
289, 816, 576 · 4913, 20808, 29376, 13824 … row sums 1681, 68921, 2825761, 115856201, …
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A081581: Pascal-(1,6,1) array.
1 · 1, 1 · 1, 8, 1 · 1, 15, 15, 1 … row sums 1, 2, 10, 32, 124, 440, 1624, 5888, …
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A007318 → (1/2+(1/2)n)θ+1+n → (θ+1)²
1 · 2, 12 · 3, 36, 54 · 4, 72, 216, 160 … row sums 1, 14, 93, 452, 1840, 6672, 22288, …
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A063967 → basis A013611
1 · 2, 4 · 6, 20, 16 · 16, 80, 128, 64 … row sums 1, 6, 42, 288, 1980, 13608, 93528, …
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A144440 → γ
1 · 1 · 1, 9 · 1, 51 … row sums 1, 1, 10, 52, 559, 6112, 89494, …
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A249250 → x ↦ x+1
1 · 4, 3 · 10, 12, 3 · 28, 48, 24, 3 … row sums 1, 7, 25, 103, 409, 1639, 6553, 26215, …
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A030528: Triangle read by rows: T(n,k) = binomial(k,n-k).
1 · 1, 1 · 0, 2, 1 · 0, 1, 3, 1 … row sums 1, 2, 3, 5, 8, 13, 21, 34, …
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A120909 → basis A013610
3 · 9, 18 · 27, 108, 108 · 81, 486, 972, 648 … row sums 3, 27, 243, 2187, 19683, 177147, …
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A034870 → D+1
1 · 3, 4, 1 · 5, 16, 18, 8, 1 … row sums 1, 8, 48, 256, 1280, 6144, 28672, …
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A038331 → basis A013611
289, 680, 400 · 4913, 17340, 20400, 8000 … row sums 1369, 50653, 1874161, 69343957, …
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A027467 → basis A013611
1 · 16, 4 · 256, 128, 16 · 4096, 3072, 768, 64 … row sums 1, 20, 400, 8000, 160000, 3200000, …
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A304236 → Veronese 2
1 · 1 · 1 · 1 … row sums 1, 1, 1, 1, 10, 28, 55, 91, …
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A159854 → x ↦ x+1
1, 2, 1 · 2, 5, 4, 1 · 4, 12, 13, 6, 1 … row sums 4, 12, 36, 108, 324, 972, 2916, 8748, …
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A257615 → γ
1 · 5 · 25, 20 · 125, 340 … row sums 1, 5, 45, 465, 5865, 83565, 1346805, …
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A091044: One half of odd-numbered entries of even-numbered rows of Pascal's triangle A007318.
1 · 2, 2 · 3, 10, 3 · 4, 28, 28, 4 … row sums 1, 4, 16, 64, 256, 1024, 4096, 16384, …
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Triangle T(n, k) = coefficients of ( t(n, x) ) where t(n, x) = (1-x)^(n+1)*p(n, x)/x, p(n, x) = x*D( p(n-1, x) ), with p(1, x) = x/(1-x)^2, p(2, x) = x*(1+x)/(1-x)^3, and p(3, x) = x*(1+8*x+x^2)/(1-x…
1, 8, 1 · 1, 19, 19, 1 · 1, 42, 114, 42, 1 … row sums 10, 40, 200, 1200, 8400, 67200, 604800, …
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A038255: Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j).
1 · 6, 1 · 36, 12, 1 · 216, 108, 18, 1 … row sums 1, 7, 49, 343, 2401, 16807, 117649, …