sinh(arctan(x)*arctan(x))=2/2!*x^2-16/4!*x^4+488/6!*x^6-30336/8!*x^8...
A012461
sinh(arctan(x)*arctan(x))=2/2!*x^2-16/4!*x^4+488/6!*x^6-30336/8!*x^8...
Terms
- a(0) =0a(1) =2a(2) =-16a(3) =488a(4) =-30336a(5) =3061152a(6) =-450481920a(7) =90676698240
External references
- oeis: A012461