Expansion of e.g.f.: arctan(sin(arctan(x))) (odd powers only).
A012022
Expansion of e.g.f.: arctan(sin(arctan(x))) (odd powers only).
Terms
- a(0) =1a(1) =-5a(2) =129a(3) =-7965a(4) =903105a(5) =-163451925a(6) =43259364225
External references
- oeis: A012022