Number 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.

A244195

Number 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.

Terms

    a(0) =6a(1) =450a(2) =151206a(3) =145456074a(4) =325148366166

External references