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A209743 Number of nX7 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

%I A209743 #7 Jul 22 2025 21:56:54
%S A209743 876,3412100,26715084257,220845828478730,1834383283218723590,
%T A209743 15242797658314710633378,126664397726626418134051983,
%U A209743 1052557322792113887592378377140,8746556030412972768884396379035027
%N A209743 Number of nX7 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.
%C A209743 Column 7 of A209744
%H A209743 R. H. Hardin, <a href="/A209743/b209743.txt">Table of n, a(n) for n = 1..14</a>
%e A209743 Some solutions for n=5
%e A209743 ..0..0..0..1..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
%e A209743 ..1..2..3..3..3..4..5....1..2..3..2..1..2..1....1..2..3..1..2..3..4
%e A209743 ..1..0..0..2..0..3..3....3..1..1..1..3..1..3....5..5..2..2..4..2..4
%e A209743 ..4..1..2..4..2..0..1....2..2..0..2..1..2..3....0..4..4..5..5..2..3
%e A209743 ..1..5..2..1..1..0..4....0..1..0..3..2..4..4....0..5..0..0..1..5..3
%K A209743 nonn
%O A209743 1,1
%A A209743 _R. H. Hardin_ Mar 12 2012