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A323925
Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986).
0
0, 0, 0, 0, 2, 12, 66, 331, 1678
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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:
A369111
A334772
A197745
*
A039633
A265451
A180195
Adjacent sequences:
A323922
A323923
A323924
*
A323926
A323927
A323928
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Feb 09 2019
STATUS
approved
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Last modified May 6 17:48 EDT 2024. Contains 372297 sequences. (Running on oeis4.)