Number of (n+1)X(5+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

A233722

Number of (n+1)X(5+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

Terms

    a(0) =423220a(1) =6622988a(2) =122218188a(3) =2734167036a(4) =64803794224

External references