E.g.f.: exp(Sum_{n>=1} n*A000009(n)*x^n).
A293841
E.g.f.: exp(Sum_{n>=1} n*A000009(n)*x^n).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =49a(4) =409a(5) =4841a(6) =66541a(7) =1006825a(8) =17349809a(9) =333948529a(10) =6997459861a(11) =159199648961
External references
- oeis: A293841