arcsinh(arctan(x)+tan(x))=2*x-8/3!*x^3+328/5!*x^5-32608/7!*x^7...

A013003

arcsinh(arctan(x)+tan(x))=2*x-8/3!*x^3+328/5!*x^5-32608/7!*x^7...

Terms

    a(0) =2a(1) =-8a(2) =328a(3) =-32608a(4) =6483328a(5) =-2134642688

External references