151206domain: NAppears in sequencesNumber of ways to arrange 3n^3 spins in an n^3 cubic lattice such that each site contains 3 spins, two of which are the same, and each spin is the same as the spins in the neighboring sites in the proper direction.at n=2A244195Euler transform of A016116 = 2^floor(n/2).at n=23A392561