237650

Appears in sequences

• Half the number of (n+2)X4 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.at n=2A187310
• Half the number of (n+2) X 5 binary arrays with each 3 X 3 subblock having sum 3, 4, 5 or 6.at n=1A187311
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.at n=7A187317
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.at n=8A187317