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A121142 Numbers of isomers of unbranched a-4-catapolydecagons - see Brunvoll reference for precise definition. 1
1, 1, 1, 4, 16, 100, 625, 4300, 29584, 206572, 1442401 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
REFERENCES
J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Isomer enumeration of polygonal systems..., J. Molec. Struct. (Theochem), 364 (1996), 1-13.
LINKS
CROSSREFS
Sequence in context: A029985 A114023 A145823 * A318693 A087296 A065731
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 13 2006
STATUS
approved

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Last modified March 28 21:54 EDT 2024. Contains 371254 sequences. (Running on oeis4.)