630840

Appears in sequences

• a(n) = n*(n+1)*(n+2)*(2*n^3 + 6*n^2 + 7*n - 3)/36.at n=14A064202
• E.g.f. satisfies A(x) = 1 + x*A(x)*exp(x^2*A(x)^3).at n=7A365284