arcsinh(arcsin(arcsin(x)))=x+1/3!*x^3+17/5!*x^5+561/7!*x^7+39521/9!*x^9...

A012069

arcsinh(arcsin(arcsin(x)))=x+1/3!*x^3+17/5!*x^5+561/7!*x^7+39521/9!*x^9...

Terms

    a(0) =1a(1) =1a(2) =17a(3) =561a(4) =39521a(5) =4429217a(6) =749371633a(7) =176540328017

External references