2075271

Appears in sequences

• Number of n X n binary arrays with all 1s connected and a path of 1s from the top row to the bottom row.at n=4A163028
• Number of n X 5 binary arrays with all 1s connected and a path of 1s from top row to bottom row.at n=4A163031
• Number of n X 5 binary arrays with all 1s connected and a path of 1s from left column to right column.at n=4A163040
• Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to bottom row.at n=40A359574