cosh(arctan(x)+sin(x))=1+4/2!*x^2-8/4!*x^4-26/6!*x^6+424/8!*x^8...
A012982
cosh(arctan(x)+sin(x))=1+4/2!*x^2-8/4!*x^4-26/6!*x^6+424/8!*x^8...
Terms
- a(0) =1a(1) =4a(2) =-8a(3) =-26a(4) =424a(5) =4314a(6) =1175508a(7) =-586563610a(8) =202456213808
External references
- oeis: A012982