E.g.f.: arctanh(tan(x)+sin(x))=2*x+17/3!*x^3+865/5!*x^5+109007/7!*x^7...
A012944
E.g.f.: arctanh(tan(x)+sin(x))=2*x+17/3!*x^3+865/5!*x^5+109007/7!*x^7...
Terms
- a(0) =2a(1) =17a(2) =865a(3) =109007a(4) =25619185a(5) =9676271447
External references
- oeis: A012944