Number of nX7 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling five exactly once.
A269887
Number of nX7 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling five exactly once.
Terms
- a(0) =112500a(1) =1867222224
External references
- oeis: A269887