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A121157 Number of monocyclic skeletons with n carbon atoms and a ring size of 10. 3
1, 1, 7, 21, 93, 319, 1170, 3931, 13168, 42365, 134372, 416765, 1275718, 3850137, 11501014, 34025545, 99891325, 291245242, 844287970, 2435145974, 6993264128, 20007298353, 57051831889, 162217819731, 460079126428, 1301975691316, 3677269460008, 10368105592318 (list; graph; refs; listen; history; text; internal format)
OFFSET
10,3
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=10 of A305059.
Sequence in context: A177369 A164544 A100025 * A347863 A253072 A261854
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Aug 13 2006
EXTENSIONS
Terms a(26) and beyond from Andrew Howroyd, May 24 2018
STATUS
approved

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)