|
%I #5 Mar 31 2012 12:36:39
%S 10,174,2174,28890,388824,5236786,70594592,951777602,12832277870,
%T 173011315794,2332637651278,31449955203276,424026281913518,
%U 5716965606842562,77079410192481546,1039228825310882064
%N Number of nX3 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one
%C Column 3 of A200579
%H R. H. Hardin, <a href="/A200574/b200574.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..2..2....1..0..1....0..2..2....2..2..1....0..0..2....0..2..1....1..0..1
%e ..1..2..2....1..0..0....2..1..1....1..1..2....2..1..2....2..2..1....0..1..1
%e ..2..2..1....0..1..1....2..2..2....2..1..2....0..1..0....2..2..2....1..2..2
%e ..1..2..2....0..1..0....2..2..2....2..0..0....0..0..0....2..2..2....2..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 19 2011
| 