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A085633
Number of not necessarily connected coin graphs, also known as "penny" graphs.
1
1, 2, 4, 10, 25, 80, 267, 1078
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The intersection graph of unit disks which are not allowed to overlap.
LINKS
Table of n, a(n) for n=1..8.
CROSSREFS
Cf. A085632.
Sequence in context: A006901 A123422 A123413 * A111564 A350507 A007021
Adjacent sequences: A085630 A085631 A085632 * A085634 A085635 A085636
KEYWORD
more,nonn
AUTHOR
Leah Hackman (lhackman(AT)cs.ualberta.ca), Martha Lednicky (lednicky(AT)cs.ualberta.ca), Jim Nastos and Rick L. Shepherd, Jul 10 2003
STATUS
approved

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Last modified September 28 07:10 EDT 2024. Contains 376277 sequences.
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