Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3).

Terms

a(0) =1a(1) =-3a(2) =4a(3) =-3a(4) =-1a(5) =8a(6) =-15a(7) =18a(8) =-13a(9) =-3a(10) =29a(11) =-57a(12) =72a(13) =-56a(14) =-3a(15) =99a(16) =-201a(17) =256a(18) =-204a(19) =7a(20) =316a(21) =-665a(22) =864a(23) =-711a(24) =75a(25) =987a(26) =-2148a(27) =2830a(28) =-2373a(29) =350