42683776

Appears in sequences

• Half the number of (n+2) X 3 binary arrays with no 3 X 3 subblock having a sum equal to any horizontal or vertical neighbor 3 X 3 subblock sum.at n=7A187956
• Half the number of (n+2)X10 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.at n=0A187963
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.at n=28A187964