A323927 - OEIS

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A323927

Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986).

0

0, 0, 1, 0, 1, 3, 9, 27, 119

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

OFFSET

1,6

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: A148930 A230951 A121746 * A146151 A306681 A254334

Adjacent sequences: A323924 A323925 A323926 * A323928 A323929 A323930

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved