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, west or southwest neighbors modulo n and the upper left element equal to 0.
A267342
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, west or southwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =126a(2) =77a(3) =388a(4) =4462a(5) =96291a(6) =3534075a(7) =214106961
External references
- oeis: A267342