1680902120

Appears in sequences

• 1/20 of the number of (n+1) X 7 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=7A183716
• 1/20 of the number of (n+1) X 9 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=5A183718