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A183583 Half the number of nX8 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors 0

%I #4 Mar 31 2012 12:35:52

%S 194,354615,171459557,92915045150,49526167251643,26548571098836075,

%T 14217486118795912134

%N Half the number of nX8 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors

%C Column 8 of A183584

%e Some solutions with a(1,1)<=1 for 3X8

%e ..0..0..0..0..1..1..0..0....0..0..0..3..3..0..0..0....0..0..0..0..0..0..3..3

%e ..0..0..0..1..1..1..1..1....0..0..0..0..3..0..0..2....0..0..0..1..0..3..3..3

%e ..0..0..0..1..1..0..0..1....0..0..0..0..3..0..0..2....0..0..0..1..1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011

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Last modified September 6 15:58 EDT 2024. Contains 375715 sequences. (Running on oeis4.)