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A232379 Number of 4Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.

%I A232379 #7 Jul 23 2025 07:22:43
%S A232379 1,230,4550,63744,927706,14326374,219597458,3342549408,50948669958,
%T A232379 777136688838,11852126079904,180743308881776,2756349347909628,
%U A232379 42034903671321438,641040165008121734,9775973027252581380
%N A232379 Number of 4Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.
%C A232379 Row 4 of A232376
%H A232379 R. H. Hardin, <a href="/A232379/b232379.txt">Table of n, a(n) for n = 1..210</a>
%H A232379 R. H. Hardin, <a href="/A232379/a232379.txt">Empirical recurrence of order 60</a>
%F A232379 Empirical recurrence of order 60 (see link above)
%e A232379 Some solutions for n=4
%e A232379 ..3..2..1..0....2..1..2..3....2..1..0..3....2..3..2..3....1..2..3..2
%e A232379 ..3..2..1..0....0..3..2..1....0..3..0..3....0..1..0..3....1..0..1..0
%e A232379 ..1..2..1..3....2..1..0..3....0..3..2..1....3..1..2..3....1..2..3..0
%e A232379 ..1..0..1..0....0..3..2..3....2..1..0..1....3..1..0..3....1..0..1..0
%K A232379 nonn
%O A232379 1,2
%A A232379 _R. H. Hardin_, Nov 23 2013