arcsin(sec(x)-sech(x))=2/2!*x^2+242/6!*x^6+680642/10!*x^10...
A013505
arcsin(sec(x)-sech(x))=2/2!*x^2+242/6!*x^6+680642/10!*x^10...
Terms
- a(0) =2a(1) =242a(2) =680642a(3) =12295286642
External references
- oeis: A013505
A013505
arcsin(sec(x)-sech(x))=2/2!*x^2+242/6!*x^6+680642/10!*x^10...