E.g.f. cos(arcsinh(x)) = sin(arccosh(x)) (even powers only).

A101928

E.g.f. cos(arcsinh(x)) = sin(arccosh(x)) (even powers only).

Terms

    a(0) =1a(1) =-1a(2) =5a(3) =-85a(4) =3145a(5) =-204425a(6) =20646925a(7) =-2993804125a(8) =589779412625

External references