arcsin(cos(x)-sech(x))=-4/4!*x^4+60/6!*x^6-1384/8!*x^8+50520/10!*x^10...

A013484

arcsin(cos(x)-sech(x))=-4/4!*x^4+60/6!*x^6-1384/8!*x^8+50520/10!*x^10...

Terms

    a(0) =-4a(1) =60a(2) =-1384a(3) =50520a(4) =-3072364a(5) =300261780a(6) =-41474372944

External references