569620472894
domain: N
Appears in sequences
- Number of n X n 0..2n-2 arrays with upper left zero and lower right 2n-2 and each element differing from its horizontal and vertical neighbors by one or two.at n=5A265439
- Number of nX6 0..n+6-2 arrays with upper left zero and lower right n+6-2 and each element differing from its horizontal and vertical neighbors by one or two.at n=5A265445