arcsinh(arctan(x)*tan(x))=2/2!*x^2+40/6!*x^6-2688/8!*x^8+210208/10!*x^10...
A012450
arcsinh(arctan(x)*tan(x))=2/2!*x^2+40/6!*x^6-2688/8!*x^8+210208/10!*x^10...
Terms
- a(0) =2a(1) =0a(2) =40a(3) =-2688a(4) =210208a(5) =-13038080a(6) =2241915520a(7) =-589026013184
External references
- oeis: A012450