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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 1

%I #5 Aug 11 2014 22:45:56

%S 1,230,4550,63744,927706,14326374,219597458,3342549408,50948669958,

%T 777136688838,11852126079904,180743308881776,2756349347909628,

%U 42034903671321438,641040165008121734,9775973027252581380

%N 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 Row 4 of A232376

%H R. H. Hardin, <a href="/A232379/b232379.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A232379/a232379.txt">Empirical recurrence of order 60</a>

%F Empirical recurrence of order 60 (see link above)

%e Some solutions for n=4

%e ..3..2..1..0....2..1..2..3....2..1..0..3....2..3..2..3....1..2..3..2

%e ..3..2..1..0....0..3..2..1....0..3..0..3....0..1..0..3....1..0..1..0

%e ..1..2..1..3....2..1..0..3....0..3..2..1....3..1..2..3....1..2..3..0

%e ..1..0..1..0....0..3..2..3....2..1..0..1....3..1..0..3....1..0..1..0

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 23 2013

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)