%I #3 Oct 17 2015 15:53:08

%S 6,961,532620,141086884,34502512032,9414955824400,2581177525941432,

%T 696932281399739401,188117459428481322624,50895976667736734492176,

%U 13771969942166582196102000,3725144577531136163481836521

%N Number of nX5 arrays of permutations of 0..n*5-1 with each element moved a city block distance of 0 or 2.

%C Column 5 of A263424.

%e Some solutions for n=2

%e ..6..1..4..3..8....0..7..4..3..2....0..7..6..9..4....0..3..2..1..4

%e ..5..0..9..2..7....1..8..5..6..9....5..2..1..8..3....7..6..5..8..9

%Y Cf. A263424.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 17 2015