tanh(sinh(x)+arctan(x))=2*x-17/3!*x^3+617/5!*x^5-48975/7!*x^7...

A013063

tanh(sinh(x)+arctan(x))=2*x-17/3!*x^3+617/5!*x^5-48975/7!*x^7...

Terms

    a(0) =2a(1) =-17a(2) =617a(3) =-48975a(4) =6737777a(5) =-1421214615a(6) =425703805529

External references