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%I #4 Dec 19 2015 09:46:30
%S 4616,190308,339952,721864,1820904,5006296,13435392,35632192,95276272,
%T 261736272,709324400,1927403116,5292526288,14866077768,40973803912,
%U 112866192572,314639453512,897120499588,2505530846832,6976518689796
%N Number of nX6 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
%C Column 6 of A265973.
%H R. H. Hardin, <a href="/A265971/b265971.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..4..3..0..0..1....2..0..0..1..3..3....1..1..3..3..1..2....1..3..3..4..4..3
%e ..0..1..3..2..2..3....1..3..3..1..0..0....4..0..0..4..4..0....2..4..1..0..0..3
%Y Cf. A265973.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 19 2015
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