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 or northeast neighbors modulo n and the upper left element equal to 0.
A267554
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 or northeast neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =10a(2) =20a(3) =61a(4) =287a(5) =2041a(6) =21781a(7) =345853a(8) =8152191a(9) =287657725
External references
- oeis: A267554