Expansion of e.g.f. arctanh(arcsin(arctanh(x))), odd powers only.
A012142
Expansion of e.g.f. arctanh(arcsin(arctanh(x))), odd powers only.
Terms
- a(0) =1a(1) =5a(2) =137a(3) =9085a(4) =1107665a(5) =215251189a(6) =61040810841
External references
- oeis: A012142