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A120795 Number of monocyclic skeletons with n carbon atoms and a ring size of 8. 3
1, 1, 6, 16, 63, 190, 631, 1923, 5940, 17706, 52573, 153442, 444935, 1277737, 3648896, 10357898, 29278749, 82435343, 231393069, 647760624, 1809395471, 5044728853, 14043361916, 39042161151, 108423265447, 300823420906, 834004924385, 2310725016923, 6398803186192 (list; graph; refs; listen; history; text; internal format)
OFFSET

8,3

REFERENCES

Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991).

LINKS

Andrew Howroyd, Table of n, a(n) for n = 8..200

CROSSREFS

Column k=8 of A305059.

Sequence in context: A125628 A078672 A219817 * A118640 A277747 A142704

Adjacent sequences:  A120792 A120793 A120794 * A120796 A120797 A120798

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Aug 13 2006

EXTENSIONS

More terms from N. J. A. Sloane, Aug 27 2006

Terms a(26) and beyond from Andrew Howroyd, May 24 2018

STATUS

approved

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Last modified September 17 04:58 EDT 2019. Contains 327119 sequences. (Running on oeis4.)