arcsin(arcsinh(x)*tan(x))=2/2!*x^2+4/4!*x^4+230/6!*x^6+3848/8!*x^8...

A012612

arcsin(arcsinh(x)*tan(x))=2/2!*x^2+4/4!*x^4+230/6!*x^6+3848/8!*x^8...

Terms

    a(0) =2a(1) =4a(2) =230a(3) =3848a(4) =739018a(5) =41124620a(6) =15086858670

External references