24602854

Appears in sequences

• Half the number of (n+2) X 3 binary arrays with each 3 X 3 subblock having sum 3, 4, 5 or 6.at n=6A187309
• Half the number of (n+2)X9 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.at n=0A187315
• 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=21A187317