E.g.f.: [Sum_{n>=0} x^n * exp(n^2*x)] * [Sum_{n>=0} x^n / exp(n^2*x)].

A320830

E.g.f.: [Sum_{n>=0} x^n * exp(n^2*x)] * [Sum_{n>=0} x^n / exp(n^2*x)].

Terms

    a(0) =1a(1) =2a(2) =6a(3) =30a(4) =504a(5) =11530a(6) =250800a(7) =7239974a(8) =316070272a(9) =15395970258a(10) =814193153280

External references