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A323924 Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986). 1
0, 0, 0, 1, 3, 6, 22, 58 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..8.

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: A148632 A148633 A148634 * A148635 A148636 A148637

Adjacent sequences:  A323921 A323922 A323923 * A323925 A323926 A323927

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved

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Last modified October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)