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A260103
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Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101
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1
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1116, 2794, 6878, 18209, 47576, 127549, 336302, 903901, 2402228, 6409084, 17062892, 45475225, 121085556, 322576455, 859264712, 2288630270, 6095305826, 16236483672, 43246325168, 115187673101, 306802389494, 817180484269
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..1..0..1..0..0..1....0..1..0..0..1..0..0....1..0..1..0..0..1..0
..0..0..1..0..0..0..0....1..0..0..0..0..1..0....0..0..0..0..0..0..1
..0..0..0..1..0..0..0....0..1..0..0..1..0..0....0..0..0..0..0..0..0
..1..0..1..0..0..0..1....1..0..0..0..0..1..0....0..1..0..1..0..0..1
..0..1..0..1..0..0..0....0..1..0..0..1..0..1....1..0..1..0..0..0..0
..0..0..0..0..0..0..0....1..0..0..0..0..0..0....0..0..0..1..0..0..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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