sech(sin(x)-arcsin(x))=1-40/6!*x^6-896/8!*x^8-62304/10!*x^10...

A013350

sech(sin(x)-arcsin(x))=1-40/6!*x^6-896/8!*x^8-62304/10!*x^10...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =-40a(4) =-896a(5) =-62304a(6) =-5050496a(7) =-734950528a(8) =-138858307584

External references