L.g.f.: Sum_{n>=1} a(n)*x^n/n = Sum_{n>=1} (1 + a(n)*x)^n * x^n/n.
A158873
L.g.f.: Sum_{n>=1} a(n)*x^n/n = Sum_{n>=1} (1 + a(n)*x)^n * x^n/n.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =59a(4) =796a(5) =38106a(6) =10575020a(7) =37219912979
External references
- oeis: A158873