Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16.

A233937

Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16.

Terms

    a(0) =88572a(1) =661392a(2) =4772576a(3) =45364028a(4) =410504080a(5) =5477532268a(6) =60733857256

External references