Number of (2+1) X (n+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 0 1 or 2, and rows and columns in increasing lexicographic order.
A263508
Number of (2+1) X (n+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 0 1 or 2, and rows and columns in increasing lexicographic order.
Terms
- a(0) =59a(1) =2282a(2) =54924a(3) =1111442a(4) =20380008a(5) =337841109a(6) =5207863310a(7) =75977562458
External references
- oeis: A263508