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A184560 Number of (n+1)X6 0..2 arrays with no 2X2 subblock summing to less than 4.

%I A184560 #7 Jun 02 2025 03:48:49
%S A184560 92429,24057629,5228522011,1214657950233,276510402290782,
%T A184560 63392707611948281,14500045352224438869,3319239109051464012589,
%U A184560 759618068036448896808407,173856090342285473033998446
%N A184560 Number of (n+1)X6 0..2 arrays with no 2X2 subblock summing to less than 4.
%C A184560 Column 5 of A184564
%H A184560 R. H. Hardin, <a href="/A184560/b184560.txt">Table of n, a(n) for n = 1..200</a>
%e A184560 Some solutions for 3X6
%e A184560 ..0..0..0..1..1..0....0..0..0..0..2..1....0..0..0..0..1..2....0..0..0..2..0..0
%e A184560 ..2..2..2..2..2..2....2..2..2..2..1..1....2..2..2..2..1..1....2..2..2..2..2..2
%e A184560 ..0..0..2..2..2..0....1..0..2..2..2..1....0..1..0..2..2..0....2..1..0..0..1..2
%K A184560 nonn
%O A184560 1,1
%A A184560 _R. H. Hardin_ Jan 17 2011