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A323921 Nonisomorphic catafusenes with symmetry C_{2h}. 0
0, 1, 4, 17, 66, 269, 1102, 4635, 19768, 85659, 375524, 1664015 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..12.

S. J. Cyvin, J. Brunvoll, and B. N. Cyvin, Harary-Read numbers for catafusenes: Complete classification according to symmetry, Journal of mathematical chemistry 9.1 (1992): 19-31 and 33-38. See pages 30 and 38.

CROSSREFS

Sequence in context: A291394 A244616 A030529 * A266862 A239845 A081113

Adjacent sequences:  A323918 A323919 A323920 * A323922 A323923 A323924

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved

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Last modified September 16 06:21 EDT 2019. Contains 327090 sequences. (Running on oeis4.)