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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A118933 → basis A013611
1 · 1 · 1 · 1 … row sums 1, 1, 1, 1, 31, 151, 451, 1051, …
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A272866 → basis A013611
1 · 5, 20, 16 · 25, 200, 560, 640, 256 … row sums 1, 41, 1681, 68921, 2825761, 115856201, …
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A034870: Even-numbered rows of Pascal's triangle.
1 · 1, 2, 1 · 1, 4, 6, 4, 1 · 1, 6, 15, 20, 15, 6, 1 … row sums 1, 4, 16, 64, 256, 1024, 4096, 16384, …
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A091044 → basis A013610
1 · 4, 6 · 16, 48, 27 · 64, 288, 360, 108 … row sums 1, 10, 91, 820, 7381, 66430, 597871, …
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type_b_eulerian → γ (scale 1/4) → D+1
1 · 1 · 2, 1 · 6, 5 … row sums 1, 1, 3, 11, 52, 300, 2040, 15960, …
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A013622 → basis A013609
1 · 8, 10 · 64, 160, 100 · 512, 1920, 2400, 1000 … row sums 1, 18, 324, 5832, 104976, 1889568, …
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basis-map coefficients of A113214, shifted → θ+1
1 · -1, -2 · 1, 4, 3 · -1, -6, -9, -4 … row sums 1, -3, 8, -20, 48, -112, 256, -576, …
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A178822 → Veronese 2
1 · 6 · 21, 21 · 56, 168 … row sums 1, 6, 42, 224, 1008, 4032, 14784, …
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A008292 → γ
1 · 1 · 1, 2 · 1, 8 … row sums 1, 1, 3, 9, 39, 189, 1107, 7281, …
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A249250 → basis A013609
1 · 4, 6 · 10, 24, 12 · 28, 96, 96, 24 … row sums 1, 10, 46, 244, 1252, 6472, 33400, …
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A038207 → θ+1
1 · 2, 2 · 4, 8, 3 · 8, 24, 18, 4 … row sums 1, 4, 15, 54, 189, 648, 2187, 7290, …
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A145597 → basis A013609
1 · 6, 6 · 27, 54, 24 · 110, 330, 300, 80 … row sums 1, 12, 105, 820, 6081, 43932, 313012, …
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A046716 → D
1 · 3, 2 · 6, 16, 3 · 10, 58, 72, 4 … row sums 0, 1, 5, 25, 144, 961, 7313, 62525, …
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A249248 → D
3 · 7, 6 · 12, 44, 9 · 18, 138, 120, 12 … row sums 0, 3, 13, 65, 288, 1325, 6073, 28563, …
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A094816 → θ+1
1 · 1, 2 · 1, 6, 3 · 1, 16, 18, 4 … row sums 1, 3, 10, 39, 181, 995, 6386, 47075, …
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A081578 → basis A013611
1 · 2, 4 · 7, 28, 16 · 20, 120, 192, 64 … row sums 1, 6, 51, 396, 3141, 24786, 195831, …
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A334218 → D+1
1 · 1 · 2, 2 · 3, 9, 3 … row sums 1, 1, 4, 15, 72, 420, 2880, 22680, …
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A011973 → x ↦ x+2 (shift +1) → basis A008277
1 · 4, 1 · 7, 2 · 19, 10, 1 … row sums 1, 5, 9, 30, 68, 200, 503, 1426, …
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A008277 → (θ+1)²
1 · 1, 4 · 1, 12, 9 · 1, 28, 54, 16 … row sums 1, 5, 22, 99, 471, 2386, 12867, 73681, …
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A081580 → Veronese 2
1 · 1 · 1, 1 · 1, 13 … row sums 1, 1, 2, 14, 63, 171, 532, 2044, …
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A038334 → basis A008277
400, 384, 64 · 8000, 13952, 5376, 512 … row sums 848, 27840, 989440, 37927936, …
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A013611 → θ+1
1 · 1, 8 · 1, 16, 48 · 1, 24, 144, 256 … row sums 1, 9, 65, 425, 2625, 15625, 90625, …
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A008277 → θ+1 → D
2 · 6, 6 · 14, 36, 12 · 30, 150, 120, 20 … row sums 0, 2, 12, 62, 320, 1712, 9604, 56674, …
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A356546 → basis A007318
1 · 4, 2 · 24, 24, 6 · 160, 240, 120, 20 … row sums 1, 6, 54, 540, 5670, 61236, 673596, …
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A249251 → basis A013611
1 · 4, 12 · 13, 72, 96 · 43, 348, 912, 768 … row sums 1, 16, 181, 2071, 23686, 270901, …
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A034870 → basis A013609
1 · 4, 8, 4 · 16, 64, 96, 64, 16 … row sums 1, 16, 256, 4096, 65536, 1048576, …
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A038284 → basis A013611
196, 672, 576 · 2744, 14112, 24192, 13824 … row sums 1444, 54872, 2085136, 79235168, …
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A132393 → D
1 · 1, 2 · 2, 6, 3 · 6, 22, 18, 4 … row sums 0, 1, 3, 11, 50, 274, 1764, 13068, …
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A081579 → basis A007318
1 · 2, 1 · 8, 8, 1 · 24, 36, 14, 1 … row sums 1, 3, 17, 75, 361, 1683, 7937, 37275, …
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A038208 → basis A013611
1 · 4, 8 · 16, 64, 64 · 64, 384, 768, 512 … row sums 1, 12, 144, 1728, 20736, 248832, …
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delannoy → Veronese 2
1 · 1 · 1, 1 · 1, 5 … row sums 1, 1, 2, 6, 15, 35, 84, 204, …
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A274496 → basis A008277
1 · 2 · 4, 2 · 8, 4 … row sums 1, 2, 6, 12, 40, 80, 296, 592, …
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A099093 → Veronese 2
1 · 0, 9 · 0, 18 · 0, 9, 81 … row sums 1, 0, 9, 18, 90, 324, 1215, 4698, …
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A172431 → ⊙ C(n,k+1) (shift -1) → D
1 · 4, 2 · 9, 20, 3 · 16, 84, 60, 4 … row sums 0, 1, 6, 32, 164, 830, 4184, 21077, …
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A008278 → x ↦ x+1 (shift +1) → D
1 · 5, 2 · 23, 20, 3 · 109, 152, 57, 4 … row sums 0, 1, 7, 46, 322, 2427, 19645, 170236, …
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A034870 → basis A013611
1 · 4, 16, 16 · 16, 128, 384, 512, 256 … row sums 1, 36, 1296, 46656, 1679616, 60466176, …
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A069138: Triangle formed by multiplying Stirling numbers of 2nd kind S2(n,m) (A008277) by m+1.
A008277 → θ+2 (shift +1)2 · 2, 3 · 2, 9, 4 · 2, 21, 24, 5 … row sums 2, 5, 15, 52, 203, 877, 4140, 21147, …
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A143491 → basis A013610
12, 21, 9 · 60, 141, 108, 27 … row sums 42, 336, 3024, 30240, 332640, 3991680, …
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A137320 → basis A008277
1 · 2, 2 · 6, 14, 4 · 24, 96, 60, 8 … row sums 1, 4, 24, 188, 1796, 20112, 257248, …
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A102547: Triangle read by rows, formed from antidiagonals of the antidiagonals (A011973) of Pascal's triangle (A007318).
1 · 1 · 1 · 1, 1 … row sums 1, 1, 1, 2, 3, 4, 6, 9, …
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type_b_eulerian → γ (scale 1/4) → θ+1
1 · 1 · 1, 2 · 1, 10 … row sums 1, 1, 3, 11, 52, 300, 2040, 15960, …
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A038322 → basis A007318
1 · 19, 8 · 361, 304, 64 · 6859, 8664, 3648, 512 … row sums 1, 27, 729, 19683, 531441, 14348907, …
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A128099 → x ↦ x+1
1 · 1 · 3, 2 · 5, 4 … row sums 1, 1, 5, 9, 29, 65, 181, 441, …
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A178821 → γ
1 · 5 · 15 · 35 … row sums 1, 5, 15, 35, 70, 126, 210, 330, …
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A064861 → basis A013610
6, 21, 18 · 18, 99, 180, 108 · 36, 252, 657, 756, 324 … row sums 45, 405, 2025, 18225, 91125, 820125, …
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A085841 → basis A007318
1 · 7, 4 · 61, 72, 16 · 547, 1004, 528, 64 … row sums 1, 11, 149, 2143, 31273, 457907, …
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A122431 → basis A008277
8, 19, 9, 1 · 8, 46, 46, 13, 1 … row sums 37, 114, 409, 1657, 7432, 36401, …
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A055356 → D+1
1 · 1 · 2, 1 · 5, 8, 2 … row sums 1, 1, 3, 15, 101, 851, 8603, 101423, …
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A133080 → Veronese 2
1 · 1 · 0, 1 · 0, 1 … row sums 1, 1, 1, 1, 1, 1, 1, 1, …
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A145596: basis-map coefficients of Triangular array of generalized Narayana numbers: T(n, k) = 2*binomial(n + 1, k + 1)*binomial(n + 1, k - 1)/(n + 1). shifted by x -> x + 1
1 · 2, 2 · 3, 8, 3 · 4, 20, 20, 4 … row sums 1, 4, 14, 48, 165, 572, 2002, 7072, …