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36*x^2.","mathematica":"P[0, x_] := 196 + 204*x + 36*x^2;\nP[n_, x_] := P[n, x] = Expand[(14 + 6*x)*P[n - 1, x] + 6*x*D[P[n - 1, x], x]];\nTable[CoefficientList[P[n, x], x], {n, 0, 9}] // Flatten","pari":"P(N) = {my(v = vector(N + 1)); v[1] = 196 + 204*x + 36*x^2; for(n = 1, N, my(i = n + 1); v[i] = (14 + 6*x)*v[i - 1] + 6*x*deriv(v[i - 1], x)); 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-c11cb6bca0e3e7dc","steps":["basis A008277"],"edges":["e-ca3a3ab85b442a8e"],"text":"A038284 \u2192 basis A008277"},"headline":"A038284 \u2192 basis A008277","chain":null}