arctan(tanh(x)*arcsinh(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+14280/8!*x^8...
A012695
arctan(tanh(x)*arcsinh(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+14280/8!*x^8...
Terms
- a(0) =2a(1) =-12a(2) =-50a(3) =14280a(4) =-826502a(5) =-49633540a(6) =25407386758
External references
- oeis: A012695