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A232159 Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.

%I A232159 #6 Jul 23 2025 06:56:12
%S A232159 26,2600,27086,286770,3183932,36275078,415332300,4764939084,
%T A232159 54785401618,629979277720,7246595856072,83366908500616,
%U A232159 959177256873984,11035264357800498,126966562329855518,1460839965204197890
%N A232159 Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.
%C A232159 Column 6 of A232161
%H A232159 R. H. Hardin, <a href="/A232159/b232159.txt">Table of n, a(n) for n = 1..210</a>
%e A232159 Some solutions for n=3
%e A232159 ..3..1..2..3..0..1....3..0..2..3..2..0....3..0..2..1..3..2....0..1..2..1..0..2
%e A232159 ..0..3..1..2..3..2....2..1..0..1..3..1....2..1..3..2..1..0....2..3..0..2..3..0
%e A232159 ..1..2..3..0..1..0....0..3..2..0..2..3....3..2..1..0..2..3....1..2..3..1..2..1
%K A232159 nonn
%O A232159 1,1
%A A232159 _R. H. Hardin_, Nov 19 2013