Expansion of e.g.f. arctan(sinh(x)*tan(x)) (even powers only).
A012548
Expansion of e.g.f. arctan(sinh(x)*tan(x)) (even powers only).
Terms
- a(0) =0a(1) =2a(2) =12a(3) =-98a(4) =-16968a(5) =-780838a(6) =93371652a(7) =31402903222
External references
- oeis: A012548