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

A279235

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

Terms

    a(0) =1a(1) =-1a(2) =7a(3) =-121a(4) =3907a(5) =-28963a(6) =15430207a(7) =-1619195761a(8) =415698113

External references