21649928
domain: N
Appears in sequences
- Number of n X n binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=4A202788
- Number of nX5 binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=4A202792
- T(n,k)=Number of nXk binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=40A202795