Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.
A267330
Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =35a(2) =65a(3) =396a(4) =1929a(5) =8314a(6) =29393a(7) =99680a(8) =376803a(9) =1268170a(10) =4617875
External references
- oeis: A267330