cos(arcsin(arctan(x)))=1-1/2!*x^2+5/4!*x^4-109/6!*x^6+4521/8!*x^8...
A012091
cos(arcsin(arctan(x)))=1-1/2!*x^2+5/4!*x^4-109/6!*x^6+4521/8!*x^8...
Terms
- a(0) =1a(1) =-1a(2) =5a(3) =-109a(4) =4521a(5) =-330681a(6) =36468717a(7) =-5721101541
External references
- oeis: A012091