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v[1] = 0; v[2] = 0; v[3] = 4; for(n = 4, N, my(i = n); v[i] = (-(3*n - 6 + (8*n^2 - 56*n + 80)*x + (16*n^3 - 160*n^2 + 496*n - 480)*x^2)*v[i - 2] - ((2*n - 4)*x + (8*n^2 - 48*n + 64)*x^2 - (32*n^2 - 160*n + 192)*x^3)*deriv(v[i - 2], x) + (4*n - 11 + (8*n^2 - 56*n + 96)*x)*v[i - 1] + ((2*n - 6)*x - (8*n - 24)*x^2)*deriv(v[i - 1], x))/(n - 3)); v};\nrow(n, p) = {my(c = Vecrev(p)); c};\nT(N) = {my(v = P(N)); concat(vector(#v, i, row(i, v[i])))};\nT(10)","reading":{"first_row":1,"offset":1,"reversed":false,"trim_zeros":"none","regular_triangle":false}}],"derivation":{"root":"n-1be5eefbe5bc79ec","steps":["\u03b3","D"],"edges":["e-af71d95d59cd25b7","e-8e9e51312a287d16"],"text":"A060187 \u2192 \u03b3 \u2192 D"},"headline":"A060187 \u2192 \u03b3 \u2192 D","chain":null}