E.g.f.: A(x) = exp( Sum_{n>=1} n^2 * a(n-1)*x^n/n! ) = Sum_{n>=0} a(n)*x^n/n! with a(0) = 1.
A156326
E.g.f.: A(x) = exp( Sum_{n>=1} n^2 * a(n-1)*x^n/n! ) = Sum_{n>=0} a(n)*x^n/n! with a(0) = 1.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =58a(4) =1181a(5) =36696a(6) =1601497a(7) =92969920a(8) =6908883417a(9) =638746871680
External references
- oeis: A156326