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A048179
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Number of graphs with n nodes and n+1 edges.
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4
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1, 6, 24, 97, 402, 1637, 6759, 28259, 119890, 517121, 2271860, 10176660, 46541024, 217511951, 1039651295, 5084972068, 25458149446, 130480742790, 684550272269, 3675258986639, 20184618368312, 113340974676578, 650343587802644
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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4,2
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REFERENCES
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J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 146.
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LINKS
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FORMULA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy,nice
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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