sin(arcsinh(x)+arcsin(x))=2*x-8/3!*x^3+50/5!*x^5-1640/7!*x^7...

A013085

sin(arcsinh(x)+arcsin(x))=2*x-8/3!*x^3+50/5!*x^5-1640/7!*x^7...

Terms

    a(0) =2a(1) =-8a(2) =50a(3) =-1640a(4) =58850a(5) =-6283400a(6) =567708050a(7) =-126381905000

External references