191128

Appears in sequences

• Number of (n+1) X (n+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=4A234673
• Number of (n+1) X (5+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=4A234678
• Number of polygons formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.at n=11A345459