Number of n X n 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.
A232369
Number of n X n 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.
Terms
- a(0) =1a(1) =14a(2) =586a(3) =63744a(4) =27133338a(5) =47301712998
External references
- oeis: A232369