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%I #5 Mar 31 2012 12:37:14
%S 25,625,11804,218637,4107593,77359677,1455935650,27394495918,
%T 515466231841,9699443092866,182512279469866,3434286824366669,
%U 64622121983338176,1215978582236350201,22880768560680353074
%N Number of nX3 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal
%C Column 3 of A206957
%H R. H. Hardin, <a href="/A206952/b206952.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..2..0..1....2..1..0....2..0..2....0..0..0....2..0..1....0..1..2....1..2..2
%e ..2..0..2....0..1..1....1..1..1....2..0..2....0..0..2....1..2..0....1..1..1
%e ..1..0..2....1..0..2....1..1..0....2..0..1....1..1..2....1..2..0....1..0..1
%e ..1..2..2....1..2..2....1..2..2....0..0..0....1..1..1....2..0..2....2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 13 2012
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