Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A234209

Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

Terms

    a(0) =72a(1) =1540a(2) =40384a(3) =2047712a(4) =125726800a(5) =20127064876

External references