arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8...

A012426

arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8...

Terms

    a(0) =2a(1) =-12a(2) =70a(3) =2856a(4) =-164342a(5) =-26727140a(6) =9513652174

External references