76660domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 8.at n=10A136963Sum over each antidiagonal of A248011.at n=14A248016p-INVERT of the odd positive integers, where p(S) = 1 + S - S^2.at n=14A292484Number of distinct chromatic roots among all simple graphs on n vertices.at n=8A378587