2259545215

Appears in sequences

• Number of (n+1)X4 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.at n=5A186213
• Number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock determinant equal to some horizontal or vertical neighbor 2 X 2 subblock determinant.at n=2A186216