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%I #4 Jun 27 2013 20:32:55
%S 18,171,1366,10050,65317,375270,1924848,8908719,37616613,146387460,
%T 529743352,1796459014,5746888515,17440783714,50456503591,139731086307,
%U 371756133099,953183208702,2361809765393,5669196636680,13211336518266
%N Number of nX4 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X5 binary array with rows and columns of the latter in lexicographically nondecreasing order
%C Column 4 of A227025
%H R. H. Hardin, <a href="/A227023/b227023.txt">Table of n, a(n) for n = 1..37</a>
%e Some solutions for n=4
%e ..0..0..1..1....0..0..1..1....0..0..0..1....0..0..0..0....0..0..0..1
%e ..0..1..0..0....0..1..0..0....0..0..1..0....0..0..1..0....0..0..0..2
%e ..2..0..0..0....1..1..0..1....0..1..0..0....0..2..0..0....0..0..0..2
%e ..2..0..0..1....0..0..2..2....0..2..0..0....1..0..1..0....0..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 27 2013
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