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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 (list; graph; refs; listen; history; text; internal format)
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.

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A057588 A030522 A091124 * A027048 A192463 A243952

Adjacent sequences:  A121140 A121141 A121142 * A121144 A121145 A121146

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 13 2006

STATUS

approved

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Last modified November 13 23:48 EST 2019. Contains 329106 sequences. (Running on oeis4.)