Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.
A263605
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.
Terms
- a(0) =24a(1) =1962a(2) =69792a(3) =1880912a(4) =51961032a(5) =1372902790a(6) =33884598625a(7) =807142134398
External references
- oeis: A263605