E.g.f.: Limit_{N->oo} [ Sum_{n>=0} (N - n)^(2*n) * (x/N)^n/n! ]^(1/N).

A266487

E.g.f.: Limit_{N->oo} [ Sum_{n>=0} (N - n)^(2*n) * (x/N)^n/n! ]^(1/N).

Terms

    a(0) =1a(1) =1a(2) =-3a(3) =31a(4) =-559a(5) =14541a(6) =-496811a(7) =21081859a(8) =-1070585055a(9) =63366015673

External references