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1, 10}] // Flatten","pari":"P(N) = {my(v = vector(N)); v[1] = 1; for(n = 2, N, my(i = n); v[i] = (2 + 5*x + 4*x^2 + x^3)*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-11b174a1f5e78a68","steps":["basis A007318"],"edges":["e-8de494022f32026c"],"text":"Veronese parent of A098172 \u2192 basis A007318"},"headline":"Veronese parent of A098172 \u2192 basis A007318","chain":null}