E.g.f.: cosh( Integral exp(x^2) dx )^2.

A280794

E.g.f.: cosh( Integral exp(x^2) dx )^2.

Terms

    a(0) =1a(1) =2a(2) =24a(3) =576a(4) =22656a(5) =1302528a(6) =101763072a(7) =10295230464

External references