20599895
domain: N
Appears in sequences
- Number of n X n 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1's.at n=6A297218
- Number of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.at n=6A297223
- Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.at n=6A297229