tan(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+350/6!*x^6-11240/8!*x^8...
A012557
tan(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+350/6!*x^6-11240/8!*x^8...
Terms
- a(0) =2a(1) =-4a(2) =350a(3) =-11240a(4) =1461658a(5) =-167279660a(6) =35689423926
External references
- oeis: A012557