1988608

Appears in sequences

• Number of n X 5 binary arrays with all 1s connected, and all corners 1.at n=5A163049
• Number of n X 6 binary arrays with all 1s connected, and all corners 1.at n=4A163050
• Array read by antidiagonals: T(n,m) is the number of n X m binary arrays with all 1's connected, and all corners 1.at n=49A389687
• Array read by antidiagonals: T(n,m) is the number of n X m binary arrays with all 1's connected, and all corners 1.at n=50A389687