A263423 Number of nX5 arrays of permutations of 0..n*5-1 with each element moved a city block distance of 0 or 2.
6, 961, 532620, 141086884, 34502512032, 9414955824400, 2581177525941432, 696932281399739401, 188117459428481322624, 50895976667736734492176, 13771969942166582196102000, 3725144577531136163481836521
Offset: 1
Keywords
Examples
Some solutions for n=2 ..6..1..4..3..8....0..7..4..3..2....0..7..6..9..4....0..3..2..1..4 ..5..0..9..2..7....1..8..5..6..9....5..2..1..8..3....7..6..5..8..9
Crossrefs
Cf. A263424.
Comments