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

A279120

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =7a(4) =809a(5) =1847a(6) =7943a(7) =6921461a(8) =126235201a(9) =1258024561

External references