Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo n and the upper left element equal to 0.
A267396
Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =462a(2) =278a(3) =1975a(4) =20470a(5) =296985a(6) =5950744a(7) =165102597
External references
- oeis: A267396