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%I #5 Mar 31 2012 12:37:16
%S 25,625,11047,192640,3375548,59151458,1037800112,18215805862,
%T 319825973303,5615850283553,98614829798053,1731697303682807,
%U 30409166647098498,533994742590497215,9377124049344199017
%N Number of 3Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal
%C Row 3 of A207208
%H R. H. Hardin, <a href="/A207209/b207209.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..2..0..1..1..0....2..2..0..2..2....2..1..2..1..2....1..1..1..0..2
%e ..1..1..0..2..0....0..2..2..0..0....2..1..2..0..0....1..0..2..0..0
%e ..0..1..2..2..2....2..0..1..1..0....2..0..0..2..2....1..0..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 15 2012
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