Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal and vertical neighbors by a power of two.

A265175

Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal and vertical neighbors by a power of two.

Terms

    a(0) =1a(1) =21a(2) =2024a(3) =170970a(4) =7796840a(5) =1346956387a(6) =226158945148

External references