A200575 - OEIS

%I #5 Mar 31 2012 12:36:39

%S 22,922,28890,938128,30603332,997303772,32523513414,1060675282092,

%T 34590199046646,1128052999950878,36788018142626902,

%U 1199728544485667908,39125481049547004512,1275958061644704120210,41611474500836339304542

%N Number of nX4 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one

%C Column 4 of A200579

%H R. H. Hardin, <a href="/A200575/b200575.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0..2..1..0....2..2..0..0....0..0..2..2....2..1..2..1....1..2..0..2

%e ..2..2..0..1....2..1..0..0....1..1..1..2....1..2..2..1....2..2..2..2

%e ..1..2..2..1....2..1..2..0....1..0..1..1....0..1..2..1....2..2..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 19 2011