Expansion of e.g.f. cosh(sin(x)^2) (even coefficients).

A009150

Expansion of e.g.f. cosh(sin(x)^2) (even coefficients).

Terms

    a(0) =1a(1) =0a(2) =12a(3) =-240a(4) =5712a(5) =-266880a(6) =18566592a(7) =-1488963840a(8) =141287377152

External references