arctan(sec(x)*tan(x))=x+3/3!*x^3-15/5!*x^5-1197/7!*x^7-255/9!*x^9...
A012796
arctan(sec(x)*tan(x))=x+3/3!*x^3-15/5!*x^5-1197/7!*x^7-255/9!*x^9...
Terms
- a(0) =1a(1) =3a(2) =-15a(3) =-1197a(4) =-255a(5) =5448003a(6) =241437105a(7) =-104019879597
External references
- oeis: A012796