tan(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1114272/10!*x^10...

A012601

tan(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1114272/10!*x^10...

Terms

    a(0) =2a(1) =328a(2) =1114272a(3) =20199941760

External references