arcsinh(tanh(x)*cos(x))=x-6/3!*x^3+100/5!*x^5-5096/7!*x^7...

A012690

arcsinh(tanh(x)*cos(x))=x-6/3!*x^3+100/5!*x^5-5096/7!*x^7...

Terms

    a(0) =1a(1) =-6a(2) =100a(3) =-5096a(4) =523920a(5) =-90215136a(6) =23393880640

External references