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A005962 Number of carbon trees with n carbon atoms.
(Formerly M1962)
+0
1
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)
OFFSET

1,3

REFERENCES

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.

LINKS

Index entries for sequences related to trees

CROSSREFS

Sequence in context: A096183 A079605 A075222 this_sequence A120548 A120845 A049450

Adjacent sequences: A005959 A005960 A005961 this_sequence A005963 A005964 A005965

KEYWORD

nonn

AUTHOR

njas

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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