1509288

Appears in sequences

• Number of (n+2)X4 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=7A187933
• Number of (n+2)X10 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=1A187939