Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

A233662

Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

Terms

    a(0) =37544a(1) =411848a(2) =5005852a(3) =71366708a(4) =1053739156a(5) =16463908576a(6) =259162493248

External references