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A198476 Number of 2nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to an odd number of horizontal and vertical neighbors 1

%I #5 Mar 31 2012 12:36:34

%S 76,6104,636636,72691500,8603604942,1033040477928,124663962280912,

%T 15071363660899808,1823268135974847902,220624354578524466374,

%U 26698969327372019396108,3231092587816932360442484

%N Number of 2nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to an odd number of horizontal and vertical neighbors

%C Column 3 of A198477

%H R. H. Hardin, <a href="/A198476/b198476.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 25 2011

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Last modified July 15 07:28 EDT 2024. Contains 374324 sequences. (Running on oeis4.)