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A005637
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Number of n-node graphs without nodes of degree 2.
(Formerly M0352)
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3
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1, 1, 2, 2, 5, 10, 45, 284, 3960, 110356, 6153615, 640014800, 120777999811, 41158185726269, 25486682538903526, 28943747337743989421, 60828392582465943631269, 238439312273287947102629832
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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REFERENCES
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R. W. Robinson, personal communication.
R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1978.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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