137340domain: NAppears in sequencesNumber of rooted 7-dimensional "polycubes" with n cells, with no symmetries removed.at n=4A048668Column 5 of A048790.at n=7A094161Number of lower triangles of a 4 X 4 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=20A194933