Numerators of e.g.f. sec(arccosh(x)) = cosec(arcsinh(x)).

A102073

Numerators of e.g.f. sec(arccosh(x)) = cosec(arcsinh(x)).

Terms

    a(0) =1a(1) =-1a(2) =220a(3) =-830a(4) =51280a(5) =-24271600a(6) =2978372800a(7) =-72656038000

External references