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A220340 Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nX3 array 0

%I #3 Dec 11 2012 07:43:05

%S 2,24,355,3281,28993,242224,1973258,15900432,127519660,1021016815,

%T 8170267047,65367230164,522949458612,4183621403993,33469026735934,

%U 267752331337587

%N Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nX3 array

%C Column 3 of A220342

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 11 2012

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Last modified April 16 13:36 EDT 2024. Contains 371712 sequences. (Running on oeis4.)