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Search: id:A005962
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| A005962 |
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Number of carbon trees with n carbon atoms.
(Formerly M1962)
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+0
1
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| 1, 1, 2, 10, 22, 60, 158, 439, 1229, 3525, 10178, 29802, 87862, 261204, 781198, 2350249, 7105081, 21577415, 65787902, 201313311, 618040002, 1903102730, 5876174472
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
R. C. Read, The Enumeration of Acyclic Chemical Compounds, pp. 25-61 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see p. 44.
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LINKS
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Index entries for sequences related to trees
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CROSSREFS
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Sequence in context: A096183 A079605 A075222 this_sequence A120548 A120845 A049450
Adjacent sequences: A005959 A005960 A005961 this_sequence A005963 A005964 A005965
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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