Number of nX5 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.
A270148
Number of nX5 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.
Terms
- a(0) =10976a(1) =182257536
External references
- oeis: A270148