sinh(sinh(x)+arctan(x))=2*x+7/3!*x^3+17/5!*x^5+1089/7!*x^7...

A013062

sinh(sinh(x)+arctan(x))=2*x+7/3!*x^3+17/5!*x^5+1089/7!*x^7...

Terms

    a(0) =2a(1) =7a(2) =17a(3) =1089a(4) =-36439a(5) =4128909a(6) =-543199915a(7) =101851512369

External references