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

A279182

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

Terms

    a(0) =1a(1) =1a(2) =12a(3) =360a(4) =20160a(5) =1814400a(6) =34214400a(7) =3962649600

External references