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A217750
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Number of tetragonal regions in the exterior of a regular n-gon with all diagonals drawn.
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1
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0, 0, 0, 0, 0, 0, 18, 50, 88, 156, 260, 392, 555, 848, 1088
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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3,7
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LINKS
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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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