73773

Appears in sequences

• G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k*A(x)^k] * x^n/n ).at n=10A198944
• Expansion of (1-x^2)/((1-x-x^2)*(1-x-x^4)).at n=22A291311