1750896

Appears in sequences

• Half the number of (n+2) X 3 binary arrays with each 3 X 3 subblock having sum 4 or 5.at n=6A186817
• Half the number of (n+2)X9 binary arrays with each 3X3 subblock having sum 4 or 5.at n=0A186823
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having sum 4 or 5.at n=21A186825
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having sum 4 or 5.at n=27A186825