E.g.f.: Sum_{n>=0} ((1+x)^n + 1)^n * x^n/n!.
A326096
E.g.f.: Sum_{n>=0} ((1+x)^n + 1)^n * x^n/n!.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =32a(4) =256a(5) =2712a(6) =37744a(7) =645752a(8) =13371264a(9) =327748832a(10) =9332342944a(11) =304875611328
External references
- oeis: A326096