89602

Appears in sequences

• Half the number of n X 3 binary arrays with each element equal to at least one neighbor.at n=6A180763
• Half the number of nX7 binary arrays with each element equal to at least one neighbor.at n=2A180767
• T(n,k) = half the number of n X k binary arrays with each element equal to at least one neighbor.at n=38A180771
• T(n,k) = half the number of n X k binary arrays with each element equal to at least one neighbor.at n=42A180771