E.g.f.: Sum_{n>=0} sinh(n*x)^n/n!.

A198513

E.g.f.: Sum_{n>=0} sinh(n*x)^n/n!.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =28a(4) =320a(5) =5556a(6) =129600a(7) =3756936a(8) =132872192a(9) =5679982288a(10) =286769980416

External references