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Unchanging value maps: number of n X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 n X n array

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`%I #5 Dec 18 2015 18:18:16
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`%S 1,6,90,3334,326444,89981627,68906619754,144049729095880
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`%N Unchanging value maps: number of n X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 n X n array
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`%C Diagonal of A219310
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`%e Some solutions for n=3
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`%e ..0..0..0....1..0..0....1..1..1....1..0..0....0..0..0....0..1..1....1..1..1
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`%e ..0..0..0....0..0..1....1..1..0....1..0..0....0..0..1....0..0..1....0..0..0
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`%e ..0..0..0....1..0..0....1..0..0....1..1..0....0..0..1....0..1..1....0..0..0
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`%K nonn
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`%O 1,2
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`%A _R. H. Hardin_ Nov 17 2012
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