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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = ((4*n^3 + 12*n^2 + 16*n + 8 + (n^3 + 3*n^2 - 22*n - 24)*x - (10*n + 10)*x^2 - (n + 1)*x^3)*v[i - 1] + (8*n^2 + 8*n - 32 + (8*n^2 + 8*n - 88)*x + (n^2 + n - 68)*x^2 - 15*x^3 - x^4)*deriv(v[i - 1], x))/(2*n^3 + 6*n - 10*n*x - 2*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-9b5c7e97e5191da6","steps":["basis A007318","D+1"],"edges":["e-1d7f8f614531604f","e-f535dfcd61d51a51"],"text":"A110441 \u2192 basis A007318 \u2192 D+1"},"headline":"A110441 \u2192 basis A007318 \u2192 D+1","chain":null}