cos(sin(x)-arcsinh(x)) = 1-8064/10!*x^10 + 1419264/12!*x^12 ...

A013378

cos(sin(x)-arcsinh(x)) = 1-8064/10!*x^10 + 1419264/12!*x^12 ...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =-8064a(6) =1419264a(7) =-262662400a(8) =59455492096

External references