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 1 or 2, and rows and columns in increasing lexicographic order.
A263585
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 1 or 2, and rows and columns in increasing lexicographic order.
Terms
- a(0) =31a(1) =27650a(2) =8296414a(3) =3822509358
External references
- oeis: A263585