arctan(cos(x)*arctan(x))=x-7/3!*x^3+173/5!*x^5-11779/7!*x^7...
A012500
arctan(cos(x)*arctan(x))=x-7/3!*x^3+173/5!*x^5-11779/7!*x^7...
Terms
- a(0) =1a(1) =-7a(2) =173a(3) =-11779a(4) =1474969a(5) =-296068991a(6) =87094091589
External references
- oeis: A012500