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A233144 Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, 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 A233144 #6 Jul 23 2025 07:54:59
%S A233144 99,65120,54777233,46648134615,39758352524643,33888199682535539,
%T A233144 28884899976580380572,24620306768807426333200,
%U A233144 20985343167021965911162917,17887048875466336149601526265,15246189454569664730345411176252
%N A233144 Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, 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 A233144 Column 5 of A233147
%H A233144 R. H. Hardin, <a href="/A233144/b233144.txt">Table of n, a(n) for n = 1..210</a>
%e A233144 Some solutions for n=2
%e A233144 ..0..1..0..4..2....0..1..2..5..4....0..1..2..1..2....0..1..2..4..5
%e A233144 ..3..0..3..4..0....1..0..2..5..2....1..1..1..0..2....0..1..0..2..1
%K A233144 nonn
%O A233144 1,1
%A A233144 _R. H. Hardin_, Dec 04 2013