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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = (-(11*n - 20 + (56*n - 92)*x + (111*n - 156)*x^2 + (98*n - 116)*x^3 + (32*n - 32)*x^4)*v[i - 1] + (5 + 43*x + 131*x^2 + 185*x^3 + 124*x^4 + 32*x^5)*deriv(v[i - 1], x))/(3*n + 6*n*x + 3*n*x^2)); v};\nrow(n, p) = {my(c = Vecrev(p)); c};\nT(N) = {my(v = P(N)); concat(vector(#v, i, row(i - 1, v[i])))};\nT(9)","reading":{"first_row":0,"offset":0,"reversed":false,"trim_zeros":"none","regular_triangle":false}}],"derivation":{"root":"n-c27b11147fce8bfa","steps":["basis A013610","x \u21a6 x/(x+1)"],"edges":["e-849840c29c946dc7","e-600e9c1c8ff879f5"],"text":"A113214 \u2192 basis A013610 \u2192 x \u21a6 x/(x+1)"},"headline":"A113214 \u2192 basis A013610 \u2192 x \u21a6 x/(x+1)","chain":null}