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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = ((16*n^3 + 48*n^2 + 56*n + 24 + (16*n^3 + 48*n^2 + 52*n + 20)*x - (16*n + 16)*x^2 - (16*n + 16)*x^3)*v[i - 1] + (12*n^2 + 12*n + 3 + (32*n^2 + 32*n - 4)*x + (16*n^2 + 16*n - 40)*x^2 - 48*x^3 - 16*x^4)*deriv(v[i - 1], x))/(8*n^3 + 10*n + 8*n*x - 8*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-f287bed89e07609f","steps":["basis A013611","D+1"],"edges":["e-362ae2b737f320ab","e-2a76a9e79102a2c9"],"text":"A125662 \u2192 basis A013611 \u2192 D+1"},"headline":"A125662 \u2192 basis A013611 \u2192 D+1","chain":null}