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, -1] (188)
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A063967 → basis A007318
1 · 2, 1 · 6, 5, 1 · 16, 20, 8, 1 … row sums 1, 3, 12, 45, 171, 648, 2457, 9315, …
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A106800 → x ↦ x+1
1 · 1 · 2, 1 · 5, 5, 1 … row sums 1, 1, 3, 11, 49, 257, 1539, 10299, …
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A063967: Triangle read by rows, T(n,k) = T(n-1,k) + T(n-2,k) + T(n-1,k-1) + T(n-2,k-1) and T(0,0) = 1.
1 · 1, 1 · 2, 3, 1 · 3, 7, 5, 1 … row sums 1, 2, 6, 16, 44, 120, 328, 896, …
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A007318: Binomial
1 · 1, 1 · 1, 2, 1 · 1, 3, 3, 1 … row sums 1, 2, 4, 8, 16, 32, 64, 128, …
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A102547 → x ↦ (1/27)x → x ↦ x+1
1 · 3 · 9 · 28, 1 … row sums 1, 3, 9, 29, 93, 297, 949, 3033, …
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A196347: Triangle T(n, k) read by rows, T(n, k) = n!*binomial(n, k).
1 · 1, 1 · 2, 4, 2 · 6, 18, 18, 6 … row sums 1, 2, 8, 48, 384, 3840, 46080, 645120, …
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A232535 → x ↦ x+1
1 · 3, 2 · 12, 14, 3 · 48, 80, 37, 4 … row sums 1, 5, 29, 169, 985, 5741, 33461, …
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A013611 → basis A007318
1 · 5, 4 · 25, 40, 16 · 125, 300, 240, 64 … row sums 1, 9, 81, 729, 6561, 59049, 531441, …
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A038208: Triangle whose (i,j)-th entry is binomial(i,j)*2^i.
1 · 2, 2 · 4, 8, 4 · 8, 24, 24, 8 … row sums 1, 4, 16, 64, 256, 1024, 4096, 16384, …
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A274496 → x ↦ x+1
1 · 2 · 4, 2 · 8, 4 … row sums 1, 2, 6, 12, 36, 72, 216, 432, …
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A007318 → ⊙ C(n+1,k+1) (shift +2) → x ↦ x+1
8 · 30, 18 · 112, 128, 32 · 420, 700, 350, 50 … row sums 8, 48, 272, 1520, 8472, 47264, 264224, …
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A131689 → reverse
1 · 1 · 2, 1 · 6, 6, 1 … row sums 1, 1, 3, 13, 75, 541, 4683, 47293, …
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A133087: A133080 * A007318.
1 · 2, 1 · 1, 2, 1 · 2, 5, 4, 1 … row sums 1, 3, 4, 12, 16, 48, 64, 192, …
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A007318 → 2θ+1 → x ↦ x+1
1 · 4, 3 · 12, 16, 5 · 32, 60, 36, 7 … row sums 1, 7, 33, 135, 513, 1863, 6561, 22599, …
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basis-map coefficients of A112227 → x ↦ x+1
1, 2, 1 · 1, 3, 3, 1 · 1, 4, 6, 4, 1 … row sums 4, 8, 16, 32, 64, 128, 256, 512, …
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A011973 → x ↦ x−1/4 → x ↦ x+1
1 · 2 · 7, 4 · 20, 16 … row sums 1, 2, 11, 36, 149, 550, 2143, 8136, …
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A133087 → x ↦ x+1
1 · 3, 1 · 4, 4, 1 · 12, 16, 7, 1 … row sums 1, 4, 9, 36, 81, 324, 729, 2916, …
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A011973 → x ↦ x+2 (shift +1) → basis A007318
1 · 4, 1 · 7, 2 · 19, 9, 1 … row sums 1, 5, 9, 29, 65, 181, 441, 1165, …
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A013610 → basis A007318
1 · 4, 3 · 16, 24, 9 · 64, 144, 108, 27 … row sums 1, 7, 49, 343, 2401, 16807, 117649, …
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A008292 → γ (shift +1) → x ↦ x+1
1 · 1 · 3, 2 · 9, 8 … row sums 1, 1, 5, 17, 109, 649, 5285, 44513, …
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A344565 → basis A007318
3 · 30, 15 · 180, 180, 45 · 840, 1260, 630, 105 … row sums 3, 45, 405, 2835, 17010, 91854, 459270, …
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A059374: Triangle read by rows, T(n, k) = Sum_{i=0..n} L'(n, n-i) * binomial(i, k), for k = 0..n-1.
A089231 → x ↦ x+11 · 3, 2 · 13, 18, 6 · 73, 156, 108, 24 … row sums 1, 5, 37, 361, 4361, 62701, 1044205, …
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A008277 → θ+2 (shift +1) → x ↦ x+1
2 · 5, 3 · 15, 17, 4 · 52, 84, 39, 5 … row sums 2, 8, 36, 180, 988, 5892, 37852, …
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A122542 → x ↦ x+1
1 · 1, 1 · 3, 4, 1 · 7, 13, 7, 1 … row sums 1, 2, 8, 28, 100, 356, 1268, 4516, …
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A023531 → basis A049020 → x ↦ x+1
1 · 2, 1 · 6, 5, 1 · 22, 25, 9, 1 … row sums 1, 3, 12, 57, 309, 1866, 12351, 88563, …
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A091044 → ⊙ C(n+2,k+1) → x ↦ x+1
1 · 2, 1 · 7, 7, 1 · 30, 45, 17, 1 … row sums 1, 3, 15, 93, 653, 4983, 40339, 341337, …
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A130534: Triangle T(n,k), 0 <= k <= n, read by rows, giving coefficients of the polynomial (x+1)(x+2)...(x+n), expanded in increasing powers of x. T(n,k) is also the unsigned Stirling number |s(n+1, …
1 · 1, 1 · 2, 3, 1 · 6, 11, 6, 1 … row sums 1, 2, 6, 24, 120, 720, 5040, 40320, …
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A010054 → reverse → x ↦ x+1
1 · 4, 4 · 7, 14, 7 · 10, 30, 30, 10 … row sums 1, 8, 28, 80, 208, 512, 1216, 2816, …
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A126351 → x ↦ x+1
1 · 3, 2 · 10, 13, 4 · 37, 71, 43, 8 … row sums 1, 5, 27, 159, 1025, 7221, 55307, …
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A120910 → basis A013609
3 · 9, 6 · 27, 36, 12 · 81, 162, 108, 24 … row sums 3, 15, 75, 375, 1875, 9375, 46875, …
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A046716 → basis A007318
1 · 2, 1 · 5, 5, 1 · 16, 25, 11, 1 … row sums 1, 3, 11, 53, 345, 2947, 31411, 400437, …
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basis-map coefficients of A113214, shifted → x ↦ x+1
1 · -2, -1 · 4, 4, 1 · -8, -12, -6, -1 … row sums 1, -3, 9, -27, 81, -243, 729, -2187, …
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A060920: Bisection of Fibonacci triangle A037027: even-indexed members of column sequences of A037027 (not counting leading zeros).
1 · 2, 1 · 5, 5, 1 · 13, 20, 9, 1 … row sums 1, 3, 11, 43, 171, 683, 2731, 10923, …
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A113214 → basis A007318
1 · 3, 1 · 4, 5, 1 · 7, 13, 7, 1 … row sums 1, 4, 10, 28, 76, 208, 568, 1552, …
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A011973 → basis A007318 → x ↦ x+1
1 · 1 · 3, 1 · 5, 2 … row sums 1, 1, 4, 7, 19, 40, 97, 217, …
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A178821 → basis A007318
1 · 10, 5 · 60, 60, 15 · 280, 420, 210, 35 … row sums 1, 15, 135, 945, 5670, 30618, 153090, …
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A007318 → (1/2+(1/2)n)θ+1+n → x ↦ x+1
1 · 5, 3 · 18, 21, 6 · 56, 96, 54, 10 … row sums 1, 8, 45, 216, 945, 3888, 15309, 58320, …
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A038208 → basis A007318
1 · 4, 2 · 16, 16, 4 · 64, 96, 48, 8 … row sums 1, 6, 36, 216, 1296, 7776, 46656, …