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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
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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
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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)