sec(arctan(x)+sin(x))=1+4/2!*x^2+56/4!*x^4+1894/6!*x^6+117288/8!*x^8...
A012983
sec(arctan(x)+sin(x))=1+4/2!*x^2+56/4!*x^4+1894/6!*x^6+117288/8!*x^8...
Terms
- a(0) =1a(1) =4a(2) =56a(3) =1894a(4) =117288a(5) =11804634a(6) =1728907572a(7) =351044605734
External references
- oeis: A012983