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 A183473 Number of nX8 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors 1

%I #5 Mar 31 2012 12:35:51

%S 19,872,13229,326010,8501730,198519483,4899909637,121507526212,

%T 2979497367017,73489774062359,1813440377196216,44697344643058766,

%U 1102366528295137327,27188753392160760574,670504459729053742994

%N Number of nX8 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors

%C Column 8 of A183474

%H R. H. Hardin, <a href="/A183473/b183473.txt">Table of n, a(n) for n = 1..143</a>

%e Some solutions for 4X8

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011

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Last modified May 29 11:38 EDT 2023. Contains 363042 sequences. (Running on oeis4.)