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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
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.
CROSSREFS
Sequence in context: A029985 A114023 A145823 * A318693 A087296 A065731
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 13 2006
STATUS
approved