-18054domain: ZAppears in sequencesCoefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 8/5.at n=17A279780a(n) = [x^n] Product_{k=1..n} (1 - x^k)^(n-k+1).at n=14A303173