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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
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
CROSSREFS
Column k=8 of A305059.
Sequence in context: A125628 A078672 A219817 * A118640 A277747 A142704
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