828250

Appears in sequences

• a(0) = 1, a(1) = 5; for n > 1, a(n) = 6*n*a(n-1) + Sum_{k=1..n-2} a(k)*a(n-k-1).at n=5A062980
• Coefficients of polynomials g_b(x) that arise in the generating function for rooted maps (A053979).at n=20A305873