sin(sin(x)-sinh(x))=-2/3!*x^3-2/7!*x^7+2240/9!*x^9-2/11!*x^11...

A013370

sin(sin(x)-sinh(x))=-2/3!*x^3-2/7!*x^7+2240/9!*x^9-2/11!*x^11...

Terms

    a(0) =-2a(1) =0a(2) =-2a(3) =2240a(4) =-2a(5) =137280a(6) =-44844802a(7) =10325120a(8) =-24831206402

External references