Expansion of e.g.f. tan(arcsin(arctanh(x))) (odd powers only).
A012136
Expansion of e.g.f. tan(arcsin(arctanh(x))) (odd powers only).
Terms
- a(0) =1a(1) =5a(2) =129a(3) =7797a(4) =848481a(5) =145041093a(6) =35799178401
External references
- oeis: A012136