cosh(arcsinh(x)*cos(x))=1+1/2!*x^2-15/4!*x^4+225/6!*x^6-3423/8!*x^8...
A012643
cosh(arcsinh(x)*cos(x))=1+1/2!*x^2-15/4!*x^4+225/6!*x^6-3423/8!*x^8...
Terms
- a(0) =1a(1) =1a(2) =-15a(3) =225a(4) =-3423a(5) =58305a(6) =-3367023a(7) =750974497a(8) =-195722347967
External references
- oeis: A012643