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)
-
A030528 → basis A013610
1 · 2, 3 · 3, 12, 9 · 5, 30, 54, 27 … row sums 1, 5, 24, 116, 560, 2704, 13056, 63040, …
-
basis-map coefficients of A026729, shifted → D
-1 · 0, 2 · 0, 0, -3 · 0, 0, 0, 4 … row sums 0, -1, 2, -3, 4, -5, 6, -7, …
-
A204420 → basis A013609
1 · 1, 2 · 9, 24, 12 · 225, 690, 540, 120 … row sums 1, 3, 45, 1575, 99225, 9823275, …
-
A103327 → Veronese 2 (j=1)
1 · 10 · 35, 1 · 84, 36 … row sums 0, 1, 10, 36, 120, 496, 2080, 8256, …
-
A013620 → basis A008277
1 · 5, 3 · 25, 39, 9 · 125, 387, 216, 27 … row sums 1, 8, 73, 755, 8740, 111761, 1560817, …
-
A102662 → basis A013610
1 · 4, 9 · 9, 33, 27 · 22, 114, 180, 81 … row sums 1, 13, 69, 397, 2261, 12893, 73509, …
-
A272867 → basis A013609
1 · 6, 12, 4 · 36, 144, 192, 96, 16 … row sums 1, 22, 484, 10648, 234256, 5153632, …
-
A038208 → D
2 · 8, 8 · 24, 48, 24 · 64, 192, 192, 64 … row sums 0, 2, 16, 96, 512, 2560, 12288, 57344, …
-
A132393 → Veronese 2
1 · 0, 1 · 0, 3 · 0, 11, 1 … row sums 1, 0, 1, 3, 12, 60, 360, 2520, …
-
A304236 → (θ+1)²
1 · 1 · 1, 12 · 1, 24 … row sums 1, 1, 13, 25, 118, 292, 979, 2611, …
-
A114687 → D
2 · 6, 8 · 12, 48, 24 · 20, 160, 240, 64 … row sums 0, 2, 14, 84, 484, 2750, 15546, 87752, …
-
A008292 → γ (scale 1/2) (shift +1) → (θ+1)²
1 · 1 · 1, 4 · 1, 16 … row sums 1, 1, 5, 17, 81, 411, 2393, 15329, …
-
A102547 → x ↦ (1/27)x → basis A013609
1 · 3 · 9 · 28, 2 … row sums 1, 3, 9, 30, 99, 324, 1062, 3483, …
-
A081577 → basis A008277
1 · 2, 1 · 6, 7, 1 · 16, 35, 13, 1 … row sums 1, 3, 14, 65, 333, 1826, 10701, 66579, …
-
A008292 → γ (scale 1/4) → D
2 · 16 · 88, 32 · 416, 544 … row sums 0, 0, 2, 16, 120, 960, 8400, 80640, …
-
A257609 → γ
1 · 2 · 4, 8 · 8, 64 … row sums 1, 2, 12, 72, 624, 6048, 70848, 931968, …
-
A038207 → (θ+1)²
1 · 2, 4 · 4, 16, 9 · 8, 48, 54, 16 … row sums 1, 6, 29, 126, 513, 1998, 7533, 27702, …
-
A114687 → (θ+1)²
1 · 1, 8 · 1, 24, 36 · 1, 48, 216, 128 … row sums 1, 9, 61, 393, 2481, 15473, 95677, …
-
A052553 → D+1
1 · 1 · 2, 1 · 3, 2 … row sums 1, 1, 3, 5, 10, 18, 33, 59, …
-
A286718: Triangle read by rows: T(n, k) is the Sheffer triangle ((1 - 3*x)^(-1/3), (-1/3)*log(1 - 3*x)). A generalized Stirling1 triangle.
1 · 1, 1 · 4, 5, 1 · 28, 39, 12, 1 … row sums 1, 2, 10, 80, 880, 12320, 209440, …
-
A109692 → basis A007318
1 · 2, 1 · 8, 10, 3 · 48, 100, 68, 15 … row sums 1, 3, 21, 231, 3465, 65835, 1514205, …
-
A102547 → reverse → basis A013610
1, 3 · 1, 6, 9 · 1, 9, 27, 27 · 2, 21, 81, 135, 81 … row sums 4, 16, 64, 320, 1536, 7168, 33792, …
-
A257610 → γ
1 · 2 · 4, 12 · 8, 108 … row sums 1, 2, 16, 116, 1348, 17228, 276004, …
-
basis-map coefficients of A026729 → basis A056242 → D+1
1 · 3, 2 · 6, 13, 4 · 10, 41, 40, 8 … row sums 1, 5, 23, 99, 408, 1632, 6388, 24596, …
-
Triangle read by rows: (i,j)-th entry is binomial(i,j)*3^(i-j)*8^j.
9, 48, 64 · 27, 216, 576, 512 … row sums 121, 1331, 14641, 161051, 1771561, …
-
A102662 → reverse
1 · 3, 1 · 3, 5, 1 · 3, 11, 7, 1 … row sums 1, 4, 9, 22, 53, 128, 309, 746, …
-
A269944 → basis A013610
1 · 1, 3 · 2, 9, 9 · 10, 51, 72, 27 … row sums 1, 4, 20, 160, 2080, 41600, 1206400, …
-
A069466 → basis A013611
1 · 4, 8 · 36, 144, 96 · 400, 2400, 3840, 1280 … row sums 1, 12, 276, 7920, 252420, 8536752, …
-
A143491 → basis A008277
12, 8, 1 · 60, 60, 15, 1 · 360, 480, 180, 24, 1 … row sums 21, 136, 1045, 9276, 93289, 1047376, …
-
A344565 → basis A008277
3 · 30, 15 · 180, 225, 45 · 840, 1995, 945, 105 … row sums 3, 45, 450, 3885, 31710, 254772, …
-
A144441 → γ
1 · 1 · 1, 12 · 1, 80 … row sums 1, 1, 13, 81, 1117, 15537, 294733, …
-
A026729 → basis A013609
1 · 1, 2 · 2, 6, 4 · 3, 14, 20, 8 … row sums 1, 3, 12, 45, 171, 648, 2457, 9315, …
-
A145597 → (θ+1)²
1 · 3, 12 · 6, 60, 54 · 10, 180, 405, 160 … row sums 1, 15, 120, 755, 4191, 21567, 105560, …
-
A395454: Triangle read by rows: T(n, k) = Sum_{j=0..n} C(-j-1, -n-1)*E2(j, n-k), E2 the Eulerian numbers A201637.
1 · 0, 2 · 0, 6, 2 · 0, 24, 34, 2 … row sums 1, 0, 2, 8, 60, 544, 6040, 79008, …
-
A007318 → (1/3+(1/2)n+(1/6)n²)θ+1+(3/2)n+(1/2)n² → D
4 · 16, 20 · 40, 100, 60 · 80, 300, 360, 140 … row sums 0, 4, 36, 200, 880, 3360, 11648, 37632, …
-
A172431 → (θ+1)²
1 · 1, 8 · 1, 16, 27 · 1, 24, 90, 64 … row sums 1, 9, 44, 179, 667, 2352, 7973, 26229, …
-
A062190 → θ+1
1 · 1, 12 · 1, 28, 63 · 1, 48, 252, 224 … row sums 1, 13, 92, 525, 2695, 13013, 60424, …
-
A102547 → basis A013609
1 · 1 · 1 · 2, 2 … row sums 1, 1, 1, 4, 7, 10, 22, 43, …
-
A173018 → θ+1
1 · 1 · 1, 2 · 1, 8, 3 … row sums 1, 1, 3, 12, 60, 360, 2520, 20160, …
-
A064861 → basis A013611
6, 28, 32 · 18, 132, 320, 256 … row sums 66, 726, 4356, 47916, 287496, 3162456, …
-
A063007 → basis A008277
1 · 3, 2 · 13, 24, 6 · 63, 242, 150, 20 … row sums 1, 5, 43, 475, 6231, 93427, 1564249, …
-
A091042 → basis A007318
1 · 4, 3 · 16, 20, 5 · 64, 112, 56, 7 … row sums 1, 7, 41, 239, 1393, 8119, 47321, …
-
A081581 → D
1 · 8, 2 · 15, 30, 3 · 22, 156, 66, 4 … row sums 0, 1, 10, 48, 248, 1100, 4872, 20608, …
-
A102547 → reverse → D
1 · 0, 2 · 0, 0, 3 · 0, 0, 3, 4 … row sums 1, 2, 3, 7, 13, 21, 36, 61, …
-
A274498 → basis A013611
1 · 3 · 9, 24 · 27, 72 … row sums 1, 3, 33, 99, 1089, 3267, 35937, …
-
narayana → D
1 · 3, 2 · 6, 12, 3 · 10, 40, 30, 4 … row sums 0, 1, 5, 21, 84, 330, 1287, 5005, …
-
A075497 → D
1 · 6, 2 · 28, 24, 3 · 120, 200, 60, 4 … row sums 0, 1, 8, 55, 384, 2841, 22504, 190863, …
-
A232535 → D
2 · 8, 6 · 18, 50, 12 · 32, 196, 168, 20 … row sums 0, 2, 14, 80, 416, 2048, 9728, 45056, …
-
A249252 → basis A008277
1 · 5, 4 · 17, 32, 8 · 61, 220, 128, 16 … row sums 1, 9, 57, 425, 3497, 31545, 308697, …
-
A207606 → basis A013609
13, 22, 8 · 34, 88, 68, 16 · 89, 310, 372, 184, 32 … row sums 43, 206, 987, 4729, 22658, 108561, …