tan(sinh(x)*sin(x))=2/2!*x^2+232/6!*x^6+443552/10!*x^10...

A012526

tan(sinh(x)*sin(x))=2/2!*x^2+232/6!*x^6+443552/10!*x^10...

Terms

    a(0) =2a(1) =232a(2) =443552a(3) =4070626432

External references