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v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = ((n^4 + 4*n^3 + 7*n^2 + 12*n + 12 + (3*n^4 + 6*n^2 - 4*n - 20)*x + (6*n^3 - 4*n^2 - 6*n + 10)*x^2 + (3*n^2 + 2*n - 2)*x^3)*v[i - 1] + ((2*n^3 + n^2 + 4*n + 4)*x - (2*n^3 - 3*n^2 + 4*n + 8)*x^2 - (4*n^2 - 2*n - 6)*x^3 - (2*n + 2)*x^4)*deriv(v[i - 1], x))/(n^4 + 8*n + (2*n^3 - 8*n)*x + (n^2 + 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-4ca874876022e136","steps":["reverse","D+1"],"edges":["e-3f411cadac720071","e-b7b0f26d5c45023c"],"text":"A062196 \u2192 reverse \u2192 D+1"},"headline":"A062196 \u2192 reverse \u2192 D+1","chain":null}