-134144domain: ZAppears in sequencesExpansion of 1/(1-2*x+2*x^3).at n=26A077940Expansion of 1/(1+2*x-2*x^3).at n=26A077988Expansion of 1/sqrt(1-4x+20x^2).at n=10A098337Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 7/4.at n=27A279678