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v[1] = 1; v[2] = 2 + 16*x; for(n = 3, N, my(i = n); v[i] = ((18 + (108*n + 24)*x + (156*n^2 + 276*n - 88)*x^2 + (72*n^3 + 440*n^2 - 80*n - 128)*x^3 + (8*n^4 + 192*n^3 + 120*n^2 - 576*n + 64)*x^4 + (16*n^4 + 64*n^3 - 368*n^2 - 352*n + 128)*x^5 - (64*n^3 + 192*n^2)*x^6)*v[i - 2] + (18 + (108*n + 24)*x + (156*n^2 + 192*n - 88)*x^2 + (72*n^3 + 368*n^2 - 352*n - 128)*x^3 + (8*n^4 + 176*n^3 - 72*n^2 - 752*n + 64)*x^4 + (16*n^4 + 32*n^3 - 432*n^2 - 288*n + 128)*x^5 - (64*n^3 + 128*n^2)*x^6)*v[i - 1])/(9 + (54*n - 60)*x + (78*n^2 - 126*n + 16)*x^2 + (36*n^3 - 44*n^2 - 120*n + 128)*x^3 + (4*n^4 + 8*n^3 - 116*n^2 + 104*n + 32)*x^4 - (16*n^3 - 48*n + 32)*x^5)); 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-c72653d9ab0ee8be","steps":["basis A013611","(\u03b8+1)\u00b2"],"edges":["e-13a04d0165daacbb","e-7dc57f28108bac44"],"text":"A063967 \u2192 basis A013611 \u2192 (\u03b8+1)\u00b2"},"headline":"A063967 \u2192 basis A013611 \u2192 (\u03b8+1)\u00b2","chain":null}