Number of n X 3 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totaling five exactly once.
A269883
Number of n X 3 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totaling five exactly once.
Terms
- a(0) =60a(1) =11280a(2) =943488a(3) =68182800a(4) =4546948272a(5) =288987039048
External references
- oeis: A269883