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v[1] = 1; for(n = 2, N, my(i = n); v[i] = ((13*n + 1 + (64*n - 20)*x + (105*n - 75)*x^2 + (70*n - 86)*x^3 + (16*n - 32)*x^4)*v[i - 1] + (2 + 10*x + 2*x^2 - 34*x^3 - 44*x^4 - 16*x^5)*deriv(v[i - 1], x))/(3*n + 3 + (6*n + 6)*x + (3*n + 3)*x^2)); v};\nrow(n, p) = {my(c = Vecrev(p)); c};\nT(N) = {my(v = P(N)); concat(vector(#v, i, row(i, v[i])))};\nT(10)","reading":{"first_row":1,"offset":1,"reversed":false,"trim_zeros":"none","regular_triangle":false}}],"derivation":{"root":"n-0d75f6272d2a2a84","steps":["basis A013610","x \u21a6 x/(x+1)"],"edges":["e-edd649892838aaa7","e-a2dc8efd7fd6a6bd"],"text":"A114656 \u2192 basis A013610 \u2192 x \u21a6 x/(x+1)"},"headline":"A114656 \u2192 basis A013610 \u2192 x \u21a6 x/(x+1)","chain":null}