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A230590 Number of nX4 0..5 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero 1

%I

%S 0,8,270,7078,225010,7476932,239885668,7573457652,239197756936,

%T 7567375830884,239482620002238,7578269700586628,239803031035245668,

%U 7588268963577159422,240122303102460570488,7598397555002280321334

%N Number of nX4 0..5 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero

%C Column 4 of A230592

%H R. H. Hardin, <a href="/A230590/b230590.txt">Table of n, a(n) for n = 1..93</a>

%e Some solutions for n=3

%e ..0..3..4..3....0..5..2..1....0..3..4..3....0..1..2..1....0..1..0..3

%e ..1..0..5..2....1..2..3..0....1..0..5..2....1..2..3..0....5..2..3..4

%e ..2..3..4..3....0..1..4..5....2..3..4..1....0..5..4..5....4..1..0..5

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 24 2013

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Last modified July 20 14:12 EDT 2019. Contains 325182 sequences. (Running on oeis4.)