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A323928
Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986).
0
0, 0, 0, 1, 6, 27, 132, 644, 3165
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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:
A184279
A299598
A343492
*
A360082
A174634
A018901
Adjacent sequences:
A323925
A323926
A323927
*
A323929
A323930
A323931
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Feb 09 2019
STATUS
approved
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Last modified July 28 17:08 EDT 2024. Contains 374726 sequences. (Running on oeis4.)