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v[1] = 484 + 1056*x + 432*x^2; for(n = 1, N, my(i = n + 1); v[i] = ((242 + (132*n + 528)*x + (72*n + 216)*x^2)*v[i - 1])/(11 + (6*n + 12)*x)); 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-29d7c5a1e19b9d74","steps":["x \u21a6 x+1","\u03b8+1"],"edges":["e-e77df5b989acd52a","e-d4c4225c1158bdea"],"text":"A038314 \u2192 x \u21a6 x+1 \u2192 \u03b8+1"},"headline":"A038314 \u2192 x \u21a6 x+1 \u2192 \u03b8+1","chain":null}