Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no element plus any horizontal or vertical neighbor equal to n-1.
A265662
Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no element plus any horizontal or vertical neighbor equal to n-1.
Terms
- a(0) =0a(1) =0a(2) =16a(3) =34056a(4) =234168152
External references
- oeis: A265662