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v[1] = 1; v[2] = 1; for(n = 2, N, my(i = n + 1); v[i] = (-((1/6)*n^2 - (3/2)*n - 2 - (3*n^2 + n - 4)*x)*v[i - 1] + (((3/2)*n + 2)*x - (6*n + 8)*x^2)*deriv(v[i - 1], x) + ((1/3)*n^2 - (1/3)*n)*v[i - 2])/((1/6)*n^2 + (7/6)*n + 2)); 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-c963abfc0266d66c","steps":["\u2299 C(n+1,k+1) (shift +1)","\u03b3"],"edges":["e-548c39a476f786f5","e-23b30ca6e404c664"],"text":"A108838 \u2192 \u2299 C(n+1,k+1) (shift +1) \u2192 \u03b3"},"headline":"A108838 \u2192 \u2299 C(n+1,k+1) (shift +1) \u2192 \u03b3","chain":null}