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A222571 Number of nX6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

%I A222571 #6 Jul 23 2025 02:46:39
%S A222571 14,128,1500,25441,543064,14120189,406233879,12231597130,379056994144,
%T A222571 11841219013989,372537656586466,11733447231548696,370287830297616358,
%U A222571 11692756006117860333,369380813986204467264,11677217563602772593284
%N A222571 Number of nX6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
%C A222571 Column 6 of A222573
%H A222571 R. H. Hardin, <a href="/A222571/b222571.txt">Table of n, a(n) for n = 1..29</a>
%e A222571 Some solutions for n=3
%e A222571 ..0..1..0..0..0..0....0..0..0..0..1..0....0..1..1..1..1..1....0..0..0..0..0..1
%e A222571 ..1..0..0..0..0..0....0..0..0..0..2..1....0..1..1..1..1..1....0..0..0..0..0..1
%e A222571 ..2..0..0..0..0..0....0..0..0..0..0..1....2..1..1..1..1..0....1..0..0..0..0..1
%K A222571 nonn
%O A222571 1,1
%A A222571 _R. H. Hardin_ Feb 25 2013