sech(arctan(x)+arcsin(x))=1-4/2!*x^2+88/4!*x^4-5110/6!*x^6...
A012996
sech(arctan(x)+arcsin(x))=1-4/2!*x^2+88/4!*x^4-5110/6!*x^6...
Terms
- a(0) =1a(1) =-4a(2) =88a(3) =-5110a(4) =553160a(5) =-96580250a(6) =24721393700
External references
- oeis: A012996