Numerators of a Taylor series expansion of 1/sqrt(cosh(x)) (even powers only).

A190195

Numerators of a Taylor series expansion of 1/sqrt(cosh(x)) (even powers only).

Terms

    a(0) =1a(1) =-1a(2) =7a(3) =-139a(4) =5473a(5) =-51103a(6) =34988647a(7) =-4784061619a(8) =17782347217

External references