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10737418240,  11744051200,   7340032000,  2867200000,   716800000,  112000000,  10000000,   390625;\n  9: 68719476736, 193273528320, 241591910400, 176160768000, 82575360000, 25804800000, 5376000000, 720000000, 56250000, 1953125;\n","recurrence_sentence":"The row polynomials satisfy P(n,x) = (16+5*x)*P(n-1,x) for n >= 1, with P(0,x) = 1.","mathematica":"P[0, x_] := 1;\nP[n_, x_] := P[n, x] = Expand[(16 + 5*x)*P[n - 1, x]];\nTable[CoefficientList[P[n, x], x], {n, 0, 9}] // Flatten","pari":"P(N) = {my(v = vector(N + 1)); v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = (16 + 5*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-e6ebe74518d42cbe","steps":["basis A007318","x \u21a6 x+1"],"edges":["e-1194f7dc6f45a71b","e-4b6fda9722c03bff"],"text":"A038259 \u2192 basis A007318 \u2192 x \u21a6 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