arctanh(arcsinh(x)*arctan(x))=2/2!*x^2-12/4!*x^4+478/6!*x^6-30072/8!*x^8...
A012630
arctanh(arcsinh(x)*arctan(x))=2/2!*x^2-12/4!*x^4+478/6!*x^6-30072/8!*x^8...
Terms
- a(0) =2a(1) =-12a(2) =478a(3) =-30072a(4) =3540762a(5) =-612942660a(6) =152039588790
External references
- oeis: A012630