Number of nX(n+1) arrays of permutations of n+1 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.
A267393
Number of nX(n+1) arrays of permutations of n+1 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) =10a(2) =12a(3) =36a(4) =135a(5) =649a(6) =4277a(7) =39472a(8) =505780a(9) =9112713
External references
- oeis: A267393