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2, x] + (8 + 16*x)*P[n - 1, x]];\nTable[CoefficientList[P[n, x], x], {n, 1, 10}] // Flatten","pari":"P(N) = {my(v = vector(N)); v[1] = 1; v[2] = 10 + 24*x; for(n = 3, N, my(i = n); v[i] = -(4 + 32*x + 64*x^2)*v[i - 2] + (8 + 16*x)*v[i - 1]); 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-ba8de4e02acfb6ca","steps":["basis A013609","basis A013611"],"edges":["e-190e8c51191ea68a","e-594f0be533054693"],"text":"A091042 \u2192 basis A013609 \u2192 basis A013611"},"headline":"A091042 \u2192 basis A013609 \u2192 basis A013611","chain":null}