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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = (-(9*n - 13 + (48*n - 64)*x + (90*n - 110)*x^2 + (72*n - 80)*x^3 + (21*n - 21)*x^4)*v[i - 1] + (3 + 25*x + 78*x^2 + 114*x^3 + 79*x^4 + 21*x^5)*deriv(v[i - 1], x))/(2 + 4*x + 2*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-ea2139b8dbf6bf8d","steps":["basis A013609","x \u21a6 x/(x+1)"],"edges":["e-d9920fdddfeeaf81","e-dc81bff94007fe0a"],"text":"A133080 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)"},"headline":"A133080 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)","chain":null}
