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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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1
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OFFSET
| 1,2
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COMMENTS
| The intersection graph of unit disks which are not allowed to overlap.
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CROSSREFS
| Cf. A085632.
Sequence in context: A006901 A123422 A123413 * A111564 A007021 A100605
Adjacent sequences: A085630 A085631 A085632 * A085634 A085635 A085636
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KEYWORD
| more,nonn
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AUTHOR
| Leah Hackman (lhackman(AT)cs.ualberta.ca), Martha Lednicky (lednicky(AT)cs.ualberta.ca), Jim Nastos (nastos(AT)gmail.com) and Rick Shepherd (rshepherd2(AT)hotmail.com), Jul 10 2003
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