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A085632
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Number of connected coin graphs, also known as "penny" graphs.
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3
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OFFSET
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1,3
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COMMENTS
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The intersection graph of unit disks which are not allowed to overlap.
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LINKS
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CROSSREFS
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KEYWORD
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more,nonn
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AUTHOR
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Leah Hackman (lhackman(AT)cs.ualberta.ca), Martha Lednicky (lednicky(AT)cs.ualberta.ca), Jim Nastos and Rick L. Shepherd, Jul 10 2003
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STATUS
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approved
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