107100000domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 7.at n=27A136839Numbers k such that k and k^2 use only the digits 0, 1, 4 and 7.at n=15A136863Number of minimum total dominating sets in the n-triangular honeycomb bishop graph.at n=15A304564