E.g.f.: A(x) = exp( Sum_{n>=1} n*(n+3)/2 * a(n-1)*x^n/n! ) = Sum_{n>=0} a(n)*x^n/n! with a(0)=1.
A156327
E.g.f.: A(x) = exp( Sum_{n>=1} n*(n+3)/2 * a(n-1)*x^n/n! ) = Sum_{n>=0} a(n)*x^n/n! with a(0)=1.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =194a(4) =4280a(5) =134232a(6) =5587408a(7) =294882464a(8) =19102334112
External references
- oeis: A156327