Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.
A263601
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 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) =27a(1) =13455a(2) =1880912a(3) =248766606a(4) =40226420700
External references
- oeis: A263601