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Search: id:A085633
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| A085633 |
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Number of not necessarily connected coin graphs, also known as "penny" graphs. |
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+0
2
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OFFSET
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1,2
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COMMENT
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The intersection graph of unit disks which are not allowed to overlap.
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CROSSREFS
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Cf. A085632.
Sequence in context: A006901 A123422 A123413 this_sequence A111564 A007021 A100605
Adjacent sequences: A085630 A085631 A085632 this_sequence A085634 A085635 A085636
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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 (nastos(AT)gmail.com) and Rick Shepherd (r.shepherd(AT)prodigy.net), Jul 10 2003
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