Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, southwest or southeast neighbor modulo n and the upper left element equal to 0.
A266920
Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, southwest or southeast neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =0a(2) =8a(3) =376a(4) =40298a(5) =25499147a(6) =28504890050
External references
- oeis: A266920