Number of 6 X n 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A269040
Number of 6 X n 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =7128a(2) =67104a(3) =1114848a(4) =14710368a(5) =208867428a(6) =2783857776a(7) =37310632920a(8) =488972134752
External references
- oeis: A269040