Number of (n+1) X (7+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A233791

Number of (n+1) X (7+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

Terms

    a(0) =169920a(1) =2368972a(2) =27765752a(3) =443965172a(4) =5726453720a(5) =106891645888

External references