-58368domain: ZAppears in sequencesExpansion of 1/(1-2*x+2*x^2+2*x^3).at n=22A077945Expansion of 1/(1+2*x+2*x^2-2*x^3).at n=22A077991Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 9/5.at n=36A279781