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Search: id:A079573
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A079573 Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a diamond, where a diamond is the graph on four vertices formed by removing an edge from the complete graph K4. +0
1
1, 1, 2, 5, 13, 46, 194, 1138, 8973 (list; graph; listen)
OFFSET

1,3

REFERENCES

A. Brandstadt (P5,diamond)-free graphs Revisited: Structure and Linear Time optimization, in Optimal discrete structures and algorithms (ODSA 2000). Discrete Appl. Math. 138 (2004), 13-27.

CROSSREFS

Sequence in context: A000719 A085632 A111563 this_sequence A067021 A098716 A082938

Adjacent sequences: A079570 A079571 A079572 this_sequence A079574 A079575 A079576

KEYWORD

more,nonn

AUTHOR

Jim Nastos (nastos(AT)gmail.com), Jan 24 2003

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Last modified September 4 21:24 EDT 2008. Contains 143414 sequences.


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