1146964

Appears in sequences

• Half the number of (n+1) X (n+1) binary arrays with no 2 X 2 subblock having exactly 2 ones.at n=4A183773
• Half the number of (n+1) X 6 binary arrays with no 2 X 2 subblock having exactly 2 ones.at n=5A183778
• T(n,k) = half the number of (n+1) X (k+1) binary arrays with no 2 X 2 subblock having exactly 2 ones.at n=40A183782