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v[1] = 13 + 32*x + 12*x^2; for(n = 1, N, my(i = n + 1); v[i] = ((14*n + 20 + (32*n^2 + 135*n + 126)*x + (14*n^3 + 124*n^2 + 308*n + 224)*x^2 + (12*n^3 + 80*n^2 + 164*n + 104)*x^3)*v[i - 1] - (2 + (8*n + 24)*x + (4*n^2 + 46*n + 86)*x^2 + (12*n^2 + 82*n + 120)*x^3 + (8*n^2 + 44*n + 56)*x^4)*deriv(v[i - 1], x))/(2*n + 4 + (4*n^2 + 17*n + 18)*x + (2*n^3 + 12*n^2 + 24*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 A007318","\u03b8+1"],"edges":["e-9a0dabc7f010818b","e-976053577b1d7133"],"text":"A133214 \u2192 basis A007318 \u2192 \u03b8+1"},"headline":"A133214 \u2192 basis A007318 \u2192 \u03b8+1","chain":null}