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A005961 Number of paraffins with n carbon atoms.
(Formerly M1447)
+0
1
1, 2, 5, 13, 37, 108, 325, 993, 3070, 9564, 29979, 94392, 298311, 945592, 3005021, 9570559, 30539044, 97611676, 312462096, 1001554565, 3214232129, 10326580526, 33210135104 (list; graph; listen)
OFFSET

1,2

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.

CROSSREFS

Sequence in context: A019415 A092395 A019268 this_sequence A036249 A126031 A114509

Adjacent sequences: A005958 A005959 A005960 this_sequence A005962 A005963 A005964

KEYWORD

nonn

AUTHOR

njas

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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