8222576
domain: N
Appears in sequences
- Number of n X n binary matrices with every 1 adjacent to another 1 horizontally or vertically.at n=4A134262
- Number of nX5 binary arrays with every one adjacent to another one horizontally or vertically.at n=4A202799
- T(n,k) = Number of n X k binary arrays with every one adjacent to another one horizontally or vertically.at n=40A202802