Expansion of e.g.f. exp(cosh(x)*x^2/2).

A387809

Expansion of e.g.f. exp(cosh(x)*x^2/2).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =120a(4) =3073a(5) =106200a(6) =5127771a(7) =314285062a(8) =24078410385

External references