sinh(arcsin(arctanh(x)))=x+4/3!*x^3+84/5!*x^5+4208/7!*x^7+386064/9!*x^9...

A012139

sinh(arcsin(arctanh(x)))=x+4/3!*x^3+84/5!*x^5+4208/7!*x^7+386064/9!*x^9...

Terms

    a(0) =1a(1) =4a(2) =84a(3) =4208a(4) =386064a(5) =56523072a(6) =12121690944

External references