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A121143
Numbers of isomers of unbranched a-4-catapolydecagons - see Brunvoll reference for precise definition.
0
1, 1, 5, 29, 213, 1545, 11431, 84037, 617831, 4529489
OFFSET
1,3
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: A057588 A030522 A091124 * A027048 A356408 A192463
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 13 2006
STATUS
approved