Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A234216

Number of (n+1)X(7+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) =385536a(1) =5219076a(2) =61124816a(3) =972664988a(4) =12541330624a(5) =232097384988

External references