arctanh(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4+320/6!*x^6+15808/8!*x^8...
A012541
arctanh(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4+320/6!*x^6+15808/8!*x^8...
Terms
- a(0) =0a(1) =2a(2) =8a(3) =320a(4) =15808a(5) =1671808a(6) =242521600a(7) =52294963968
External references
- oeis: A012541