Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

A293083

Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Terms

    a(0) =0a(1) =23a(2) =486a(3) =8108a(4) =126903a(5) =1955375a(6) =30064393a(7) =462569756a(8) =7127871677a(9) =110032675158

External references