402913422

Appears in sequences

• Number of n X 9 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent.at n=6A163721
• Number of n X 7 binary arrays with all 1s connected, a path of 1s from left column to right column, and no 1 having more than two 1s adjacent.at n=8A163728