Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo n and the upper left element equal to 0.
A267200
Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =462a(2) =46a(3) =178a(4) =1233a(5) =9087a(6) =65391a(7) =457822a(8) =3063056a(9) =19883831a(10) =124433749a(11) =755039373a(12) =4426858593
External references
- oeis: A267200