Numerators of coefficients in expansion of 1/(-1 + 2 cos(sqrt(x))).
A279181
Numerators of coefficients in expansion of 1/(-1 + 2 cos(sqrt(x))).
Terms
- a(0) =1a(1) =1a(2) =11a(3) =301a(4) =15371a(5) =1261501a(6) =21692333a(7) =2291003591
External references
- oeis: A279181