Denominators of coefficients in expansion of (2 cos x)/(1 + cos(sqrt(x))).

A279240

Denominators of coefficients in expansion of (2 cos x)/(1 + cos(sqrt(x))).

Terms

    a(0) =1a(1) =4a(2) =24a(3) =2880a(4) =40320a(5) =7257600a(6) =479001600a(7) =697426329600

External references