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+ 592*n^2 + 990*n + 476)*x + (192*n^2 + 576*n + 432)*x^2 + (96*n + 128)*x^3)*v[i - 1] - (8*n^2 + 36*n + 37 + (48*n^2 + 232*n + 252)*x + (64*n^2 + 384*n + 484)*x^2 + (128*n + 288)*x^3 + 64*x^4)*deriv(v[i - 1], x))/(8*n^3 + 40*n^2 + 63*n + 30 + (16*n^2 + 46*n + 28)*x + (8*n + 16)*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-b31aa1a3fd93d174","steps":["basis A013609","D+1"],"edges":["e-060b1f8a928003b3","e-17b25d44b112d672"],"text":"A133214 \u2192 basis A013609 \u2192 D+1"},"headline":"A133214 \u2192 basis A013609 \u2192 D+1","chain":null}