Numerators of expansion of e.g.f. sinh(x) / sin(x) (even powers only).

A000965

Numerators of expansion of e.g.f. sinh(x) / sin(x) (even powers only).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =104a(4) =272a(5) =3104a(6) =79808a(7) =631936a(8) =1708288a(9) =7045156352

External references