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

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) =-38a(17) =92a(18) =-77a(19) =-34a(20) =178a(21) =-220a(22) =48a(23) =293a(24) =-537a(25) =343a(26) =363a(27) =-1129a(28) =1146a(29) =94