24250368
domain: N
Appears in sequences
- Number of nX3 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.at n=2A270146
- T(n,k)=Number of nXk 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.at n=12A270150