Expansion of e.g.f. exp(Sum_{d|6} (exp(d*x)-1)/d).

A141004

Expansion of e.g.f. exp(Sum_{d|6} (exp(d*x)-1)/d).

Terms

    a(0) =1a(1) =4a(2) =28a(3) =258a(4) =2892a(5) =37778a(6) =560124a(7) =9256010a(8) =168182044a(9) =3325057826a(10) =70934634236

External references