Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north or west neighbors modulo n and the upper left element equal to 0.
A268119
Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north or west neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =126a(2) =414a(3) =7396a(4) =253472a(5) =15303976a(6) =1582675968a(7) =276165720476
External references
- oeis: A268119