816009
domain: N
Appears in sequences
- Number of nX4 binary arrays with some 1 horizontally or vertically adjacent to some other 1 exactly once.at n=6A268736
- Number of nX7 binary arrays with some 1 horizontally or vertically adjacent to some other 1 exactly once.at n=3A268739
- T(n,k)=Number of nXk binary arrays with some 1 horizontally or vertically adjacent to some other 1 exactly once.at n=48A268740