One third the number of nX4 0..3 arrays with no element equal to its row sum plus its column sum mod 4.

A183432

One third the number of nX4 0..3 arrays with no element equal to its row sum plus its column sum mod 4.

Terms

    a(0) =64a(1) =2187a(2) =178608a(3) =14348907a(4) =1162613824

External references