arctanh(arcsinh(x)+tan(x)) = 2*x+17/3!*x^3+873/5!*x^5+110127/7!*x^7...

A013099

arctanh(arcsinh(x)+tan(x)) = 2*x+17/3!*x^3+873/5!*x^5+110127/7!*x^7...

Terms

    a(0) =2a(1) =17a(2) =873a(3) =110127a(4) =25968897a(5) =9837102007

External references