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 0 or 1, and rows and columns in increasing lexicographic order.
A263514
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 0 or 1, and rows and columns in increasing lexicographic order.
Terms
- a(0) =15a(1) =160a(2) =2076a(3) =25968a(4) =331130a(5) =4213002a(6) =53712998a(7) =684799391a(8) =8732881192a(9) =111369466097
External references
- oeis: A263514