Number of n X 3 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
A269209
Number of n X 3 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =24a(1) =768a(2) =18048a(3) =361728a(4) =6712704a(5) =118872576a(6) =2039727744a(7) =34214296320a(8) =564168820608
External references
- oeis: A269209