Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 7/5.

Terms

a(0) =1a(1) =-2a(2) =0a(3) =3a(4) =-3a(5) =0a(6) =4a(7) =-7a(8) =5a(9) =5a(10) =-16a(11) =15a(12) =2a(13) =-26a(14) =39a(15) =-19a(16) =-37a(17) =88a(18) =-73a(19) =-28a(20) =160a(21) =-207a(22) =61a(23) =249a(24) =-484a(25) =339a(26) =258a(27) =-950a(28) =1063a(29) =-99