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223091891269632, 340834833884160, 333260726464512, 203659332839424, 71119132102656, 10865422960128;\n","recurrence_sentence":"The row polynomials satisfy (n-1)*P(n,x) = (18*n+22*n*x)*P(n-1,x) for n >= 2, with P(0,x) = 0, P(1,x) = 22.","mathematica":"P[0, x_] := 0;\nP[1, x_] := 22;\nP[n_, x_] := P[n, x] = Expand[Together[((18*n + 22*n*x)*P[n - 1, x])/(n - 1)]];\nTable[CoefficientList[P[n, x], x], {n, 0, 9}] // Flatten","pari":"P(N) = {my(v = vector(N + 1)); v[1] = 0; v[2] = 22; for(n = 2, N, my(i = n + 1); v[i] = ((18*n + 22*n*x)*v[i - 1])/(n - 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-b7cf68162d40a956","steps":["basis A013609","D"],"edges":["e-59f75239fe41171d","e-f8b03decdafd3042"],"text":"A038277 \u2192 basis A013609 \u2192 D"},"headline":"A038277 \u2192 basis A013609 \u2192 D","chain":null}