arctanh(arctan(x)+sin(x))=2*x+13/3!*x^3+553/5!*x^5+57839/7!*x^7...
A012981
arctanh(arctan(x)+sin(x))=2*x+13/3!*x^3+553/5!*x^5+57839/7!*x^7...
Terms
- a(0) =2a(1) =13a(2) =553a(3) =57839a(4) =11359153a(5) =3579398359
External references
- oeis: A012981
A012981
arctanh(arctan(x)+sin(x))=2*x+13/3!*x^3+553/5!*x^5+57839/7!*x^7...