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= 1, N, my(i = n + 1); v[i] = (22 + 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-a5302200d285579d","steps":["x \u21a6 x+1","x \u21a6 x+1"],"edges":["e-bdf366c5a3f3b64d","e-cceed61134b12e2c"],"text":"A038331 \u2192 x \u21a6 x+1 \u2192 x \u21a6 x+1"},"headline":"A038331 \u2192 x \u21a6 x+1 \u2192 x \u21a6 x+1","chain":null}