sin(tanh(x)*arctan(x))=2/2!*x^2-16/4!*x^4+200/6!*x^6+1024/8!*x^8...
A012677
sin(tanh(x)*arctan(x))=2/2!*x^2-16/4!*x^4+200/6!*x^6+1024/8!*x^8...
Terms
- a(0) =2a(1) =-16a(2) =200a(3) =1024a(4) =-765152a(5) =142708480a(6) =-27846619008
External references
- oeis: A012677