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 A183498 Half the number of nX5 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors 1

%I #5 Mar 31 2012 12:35:52

%S 18,540,16512,524288,16796160,536870912,17180393472,549761399856,

%T 17592219598848,562949953421312,18014402847965184,576460752303423488,

%U 18446744211148505088,590295811461438504960,18889465940274673876992

%N Half the number of nX5 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors

%C Column 5 of A183501

%H R. H. Hardin, <a href="/A183498/b183498.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011

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Last modified June 16 19:52 EDT 2024. Contains 373432 sequences. (Running on oeis4.)