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%I #5 Mar 31 2012 12:37:01
%S 192474,12097076,694547816,21958547501,687853333430,13629970952083,
%T 271354063234561,3835838251329000,54453189904564756,
%U 595162305293032209,6513931380725003539,58108694636514434194,517777689314797178275
%N Number of (n+1)X7 0..2 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards
%C Column 6 of A204230
%H R. H. Hardin, <a href="/A204228/b204228.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..2..1..2..0..2..1....0..2..2..1..1..2..2....2..2..2..1..1..0..2
%e ..0..0..1..0..2..0..2....1..0..1..1..2..1..2....0..0..1..1..2..2..2
%e ..1..2..1..2..0..2..1....0..2..2..2..1..2..2....2..2..2..1..1..0..2
%e ..0..0..1..1..2..1..1....2..1..0..2..1..2..2....0..0..1..1..2..2..2
%e ..1..2..1..2..1..2..2....0..2..2..2..1..2..2....2..2..2..1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 13 2012
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