647640659639
domain: N
Appears in sequences
- Number of n X n 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).at n=5A208346
- Number of nX6 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).at n=5A208351