Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.
A263584
Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.
Terms
- a(0) =12a(1) =1992a(2) =145151a(3) =14088801a(4) =1544467524a(5) =162168224979
External references
- oeis: A263584