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A222677 Number of nX6 0..3 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..3 order.

%I A222677 #6 Jul 23 2025 02:54:50
%S A222677 14,150,2398,58167,1999404,96510910,5825299399,372722811899,
%T A222677 25643150234387,1732851881279928,121094603385909893,
%U A222677 8273098252289456960,577714636773633984180,39641590237948653551078,2761858147163956450688323
%N A222677 Number of nX6 0..3 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..3 order.
%C A222677 Column 6 of A222679
%H A222677 R. H. Hardin, <a href="/A222677/b222677.txt">Table of n, a(n) for n = 1..18</a>
%e A222677 Some solutions for n=3
%e A222677 ..0..1..0..0..0..0....0..1..1..1..1..1....0..0..0..0..0..0....0..1..2..2..2..2
%e A222677 ..1..2..0..0..0..0....2..3..1..1..1..1....0..1..0..0..0..0....1..3..2..2..2..2
%e A222677 ..2..3..0..0..0..0....3..1..1..1..1..1....2..2..0..0..0..0....2..1..2..2..2..2
%K A222677 nonn
%O A222677 1,1
%A A222677 _R. H. Hardin_ Feb 28 2013