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A233112 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

%I A233112 #6 Jul 23 2025 07:53:36
%S A233112 2136,53692063,1471365099497,40385221182281560,1108502928092713640626,
%T A233112 30426461543542804692390703,835153023014356911992288011287,
%U A233112 22923486223269810222694953768125080
%N A233112 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.
%C A233112 Column 7 of A233113
%H A233112 R. H. Hardin, <a href="/A233112/b233112.txt">Table of n, a(n) for n = 1..210</a>
%e A233112 Some solutions for n=2
%e A233112 ..0..0..0..1..0..1..5....0..0..0..1..2..4..0....0..0..0..1..2..5..3
%e A233112 ..0..0..0..0..2..5..3....1..0..0..0..0..4..4....4..0..0..2..5..5..4
%K A233112 nonn
%O A233112 1,1
%A A233112 _R. H. Hardin_, Dec 04 2013