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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = (-(8*n - 18 + (46*n - 78)*x + (92*n - 126)*x^2 + (78*n - 90)*x^3 + (24*n - 24)*x^4)*v[i - 1] + (13 + 75*x + 171*x^2 + 193*x^3 + 108*x^4 + 24*x^5)*deriv(v[i - 1], x))/(2*n + 4*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-6466a8550c08a52f","steps":["basis A007318","x \u21a6 x/(x+1)"],"edges":["e-235ea1c8ecbb7de6","e-82339c54d84ff82b"],"text":"A116414 \u2192 basis A007318 \u2192 x \u21a6 x/(x+1)"},"headline":"A116414 \u2192 basis A007318 \u2192 x \u21a6 x/(x+1)","chain":null}