cos(sinh(x)+arctan(x))=1-4/2!*x^2+24/4!*x^4-534/6!*x^6+27272/8!*x^8...

A013061

cos(sinh(x)+arctan(x))=1-4/2!*x^2+24/4!*x^4-534/6!*x^6+27272/8!*x^8...

Terms

    a(0) =1a(1) =-4a(2) =24a(3) =-534a(4) =27272a(5) =-2170874a(6) =260563908a(7) =-43811275382

External references