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A220241 Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nX5 array 0

%I #3 Dec 08 2012 13:32:29

%S 7,292,8127,219617,5804389,165087351

%N Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nX5 array

%C Column 5 of A220242

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 08 2012

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Last modified February 20 21:52 EST 2024. Contains 370219 sequences. (Running on oeis4.)