sec(arcsin(x)-arcsinh(x))=1+40/6!*x^6+108000/10!*x^10+1232000/12!*x^12...
A013420
sec(arcsin(x)-arcsinh(x))=1+40/6!*x^6+108000/10!*x^10+1232000/12!*x^12...
Terms
- a(0) =1a(1) =0a(2) =0a(3) =40a(4) =0a(5) =108000a(6) =1232000a(7) =1647734400a(8) =57657600000
External references
- oeis: A013420