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A220278 Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, vertical and antidiagonal neighbors in a random 0..1 nX5 array 0

%I #3 Dec 09 2012 04:26:18

%S 7,322,7987,192553,4761666,120451866

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

%C Column 5 of A220279

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 09 2012

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Last modified June 4 06:06 EDT 2024. Contains 373089 sequences. (Running on oeis4.)