371916790

Appears in sequences

• Half the number of (n+1)X5 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=5A184609
• Half the number of (n+1)X7 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=3A184611