5243407780

Appears in sequences

• Half the number of (n+2) X (n+2) binary arrays with each 3 X 3 subblock having sum 3, 4, 5 or 6.at n=3A187308
• Half the number of (n+2)X6 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.at n=3A187312
• 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=24A187317