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A323929 Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986). 1
0, 0, 1, 1, 7, 30, 141, 671, 3284 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..9.

Wenchen He and Wenjie He, Generation and enumeration of planar polycyclic aromatic hydrocarbons, Tetrahedron 42.19 (1986): 5291-5299. See Table 1.

CROSSREFS

Cf. A003104, A323923-A323930.

Sequence in context: A210100 A297080 A256981 * A180786 A343755 A026653

Adjacent sequences:  A323926 A323927 A323928 * A323930 A323931 A323932

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved

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Last modified July 26 20:34 EDT 2021. Contains 346295 sequences. (Running on oeis4.)