Expansion of e.g.f. of tan(tan(x))*x/2 (even powers only).
A024289
Expansion of e.g.f. of tan(tan(x))*x/2 (even powers only).
Terms
- a(0) =0a(1) =1a(2) =8a(3) =216a(4) =11584a(5) =1019520a(6) =132672000a(7) =23886564352
External references
- oeis: A024289