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v[1] = 1; for(n = 2, N, my(i = n); v[i] = ((4*n + 1 + (17*n - 1)*x + (25*n - 11)*x^2 + (15*n - 15)*x^3 + (3*n - 6)*x^4)*v[i - 1] + (1 + 5*x + 6*x^2 - 2*x^3 - 7*x^4 - 3*x^5)*deriv(v[i - 1], x))/(n + 1 + (2*n + 2)*x + (n + 1)*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 A013609","x \u21a6 x/(x+1)"],"edges":["e-077b645e97fdde1b","e-589f6ba490b0a7ae"],"text":"A114656 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)"},"headline":"A114656 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)","chain":null}