Number of nX4 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.
A232372
Number of nX4 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) =8a(1) =296a(2) =4404a(3) =63744a(4) =957232a(5) =14297980a(6) =213082596a(7) =3180405572a(8) =47457708756a(9) =708101568772
External references
- oeis: A232372