arctanh(tan(x)+arcsin(x))=2*x+19/3!*x^3+1033/5!*x^5+139697/7!*x^7...
A012956
arctanh(tan(x)+arcsin(x))=2*x+19/3!*x^3+1033/5!*x^5+139697/7!*x^7...
Terms
- a(0) =2a(1) =19a(2) =1033a(3) =139697a(4) =35245537a(5) =14290318777
External references
- oeis: A012956