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v[1] = 1; for(n = 2, N, my(i = n); v[i] = ((8*n^2 - 41*n + 52 + (56*n^2 - 295*n + 376)*x + (165*n^2 - 877*n + 1112)*x^2 + (260*n^2 - 1376*n + 1726)*x^3 + (230*n^2 - 1201*n + 1486)*x^4 + (108*n^2 - 553*n + 674)*x^5 + (21*n^2 - 105*n + 126)*x^6)*v[i - 1] - (8*n - 26 + (76*n - 247)*x + (300*n - 969)*x^2 + (642*n - 2052)*x^3 + (808*n - 2548)*x^4 + (600*n - 1863)*x^5 + (244*n - 745)*x^6 + (42*n - 126)*x^7)*deriv(v[i - 1], x) + (2 + 24*x + 121*x^2 + 336*x^3 + 565*x^4 + 592*x^5 + 379*x^6 + 136*x^7 + 21*x^8)*deriv(deriv(v[i - 1], x), x))/(n - 1 + (3*n - 3)*x + (3*n - 3)*x^2 + (n - 1)*x^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-811c78acf96cbc19","steps":["basis A013609","x \u21a6 x/(x+1)"],"edges":["e-14fad2b62d6c6dcf","e-c51adcc32940cfeb"],"text":"A008288 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)"},"headline":"A008288 \u2192 basis A013609 \u2192 x \u21a6 x/(x+1)","chain":null}