Number of (n+1)X(2+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.
A263504
Number of (n+1)X(2+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) =48a(1) =2282a(2) =78306a(3) =2785493a(4) =101776538a(5) =3683279274a(6) =133026960133
External references
- oeis: A263504