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A183480 Number of nX6 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors 1

%I

%S 23,1647,12131,270549,7773025,116198719,2519745049,56697667073,

%T 1077056431167,22884814320491,486391513434439,9923123962205421,

%U 208990562982405425,4391311455637955479,91402396553197281527

%N Number of nX6 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors

%C Column 6 of A183483

%H R. H. Hardin, <a href="/A183480/b183480.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for 4X6

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011

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Last modified October 23 11:52 EDT 2021. Contains 348212 sequences. (Running on oeis4.)