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

A234213

Number of (n+1)X(4+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) =5344a(1) =38424a(2) =257116a(3) =2047712a(4) =14743812a(5) =128575264a(6) =972664988a(7) =9139171016a(8) =71474160448a(9) =709190594872

External references