1282031525

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=7A062980
• Numerators of mass formula for connected vacuum graphs on 2n nodes for a phi^3 field theory.at n=7A226260
• Coefficients of polynomials g_b(x) that arise in the generating function for rooted maps (A053979).at n=35A305873