78509868
domain: N
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=6A184608
- Half the number of (n+1)X8 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=2A184612