321696

Appears in sequences

• Number of (n+1)X(n+1) binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=3A188303
• Number of (n+1)X5 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=3A188306
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=24A188311
• Number of nX3 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=6A204079
• Number of nX7 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=2A204083
• T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=38A204084
• T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=42A204084