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v[1] = 1; for(n = 2, N, my(i = n); v[i] = (-(14*n - 30 + (62*n - 131)*x + (103*n - 214)*x^2 + (76*n - 155)*x^3 + (21*n - 42)*x^4)*v[i - 1] + (12 + 68*x + 153*x^2 + 171*x^3 + 95*x^4 + 21*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-c72653d9ab0ee8be","steps":["basis A007318","x \u21a6 x/(x+1)"],"edges":["e-3a20d12bade77e7f","e-e58bbd26943f7484"],"text":"A063967 \u2192 basis A007318 \u2192 x \u21a6 x/(x+1)"},"headline":"A063967 \u2192 basis A007318 \u2192 x \u21a6 x/(x+1)","chain":null}