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A233229 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

%I A233229 #6 Jul 23 2025 07:57:10
%S A233229 2136,9757236,59679029456,366805442634477,2262465262533395122,
%T A233229 13966565723905519312347,86240738075580821512843673,
%U A233229 532562944711463255634918419168,3288824486303682666484477919564597
%N A233229 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.
%C A233229 Column 7 of A233230
%H A233229 R. H. Hardin, <a href="/A233229/b233229.txt">Table of n, a(n) for n = 1..90</a>
%e A233229 Some solutions for n=2
%e A233229 ..0..0..1..5..1..1..5....0..0..0..1..5..2..2....0..0..0..0..0..1..2
%e A233229 ..0..0..2..1..5..1..2....0..0..3..3..1..2..2....0..0..4..4..0..0..1
%K A233229 nonn
%O A233229 1,1
%A A233229 _R. H. Hardin_, Dec 06 2013