764691186

Appears in sequences

• Half the number of (n+1)X4 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=7A184608
• Half the number of (n+1)X9 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=2A184613