G.f.: Sum_{n>=0} ((1+x)^n - 1)^n / (1+x - x*(1+x)^n)^(n+1).
A303919
G.f.: Sum_{n>=0} ((1+x)^n - 1)^n / (1+x - x*(1+x)^n)^(n+1).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =33a(4) =362a(5) =5132a(6) =88997a(7) =1825144a(8) =43207267a(9) =1159596267a(10) =34790232210
External references
- oeis: A303919