tan(arcsinh(x)+arcsin(x))=2*x+16/3!*x^3+530/5!*x^5+37840/7!*x^7...

A013087

tan(arcsinh(x)+arcsin(x))=2*x+16/3!*x^3+530/5!*x^5+37840/7!*x^7...

Terms

    a(0) =2a(1) =16a(2) =530a(3) =37840a(4) =4665890a(5) =880829200a(6) =236051798450

External references