2009622

Appears in sequences

• Half the number of (n+2)X5 binary arrays with each 3X3 subblock having sum 4 or 5.at n=3A186819
• Half the number of (n+2)X6 binary arrays with each 3X3 subblock having sum 4 or 5.at n=2A186820
• 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=17A186825
• 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=18A186825