9151956

Appears in sequences

• Number of (n+1)X8 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.at n=8A185796
• Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).at n=7A234819