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1, x]];\nTable[CoefficientList[P[n, x], x], {n, 0, 9}] // Flatten","pari":"P(N) = {my(v = vector(N + 1)); v[1] = 16 + 48*x + 36*x^2; for(n = 1, N, my(i = n + 1); v[i] = (5 + 6*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 - 1, v[i])))};\nT(9)","reading":{"first_row":0,"offset":0,"reversed":false,"trim_zeros":"none","regular_triangle":false}}],"derivation":{"root":"n-7717563017cb9e5f","steps":["basis A013610","basis A013609"],"edges":["e-02e979b2d9fb24b7","e-971ab2c7e06fa8fe"],"text":"A159854 \u2192 basis A013610 \u2192 basis A013609"},"headline":"A159854 \u2192 basis A013610 \u2192 basis A013609","chain":null}