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Search: id:A085632
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A085632 Number of connected coin graphs, also known as "penny" graphs. +0
2
1, 1, 2, 5, 13, 46, 162, 715 (list; graph; listen)
OFFSET

1,3

COMMENT

The intersection graph of unit disks which are not allowed to overlap.

CROSSREFS

Cf. A085633.

Sequence in context: A066740 A000719 A149875 this_sequence A111563 A079573 A067021

Adjacent sequences: A085629 A085630 A085631 this_sequence A085633 A085634 A085635

KEYWORD

more,nonn

AUTHOR

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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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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