Expansion of e.g.f. sinh(tan(x)*tan(x)) (even powers only).
A009613
Expansion of e.g.f. sinh(tan(x)*tan(x)) (even powers only).
Terms
- a(0) =0a(1) =2a(2) =16a(3) =392a(4) =21376a(5) =1875872a(6) =227105536a(7) =35750690432
External references
- oeis: A009613