G.f.: 1 = Sum_{n>=0} a(n)*x^n/(1+x)^((n+3)^2).
A215243
G.f.: 1 = Sum_{n>=0} a(n)*x^n/(1+x)^((n+3)^2).
Terms
- a(0) =1a(1) =9a(2) =99a(3) =1416a(4) =25650a(5) =569772a(6) =15099042a(7) =466865280a(8) =16545757617a(9) =662459717350
External references
- oeis: A215243