arctanh(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1356192/10!*x^10...

A012606

arctanh(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1356192/10!*x^10...

Terms

    a(0) =2a(1) =328a(2) =1356192a(3) =31500831360

External references