E.g.f.: Sum_{n>=0} exp(2*n*x) * Product_{k=1..n} (exp((2*k-1)*x) - 1).
A214687
E.g.f.: Sum_{n>=0} exp(2*n*x) * Product_{k=1..n} (exp((2*k-1)*x) - 1).
Terms
- a(0) =1a(1) =1a(2) =11a(3) =217a(4) =7691a(5) =430921a(6) =35117531a(7) =3927676537a(8) =577640740331
External references
- oeis: A214687