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A323933 Unbranched catafusenes. 1
1, 1, 2, 5, 12, 36, 116, 411, 1489, 5572, 21115, 81121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

Balaban, A. T., Brunvoll, J., Cyvin, B. N., & Cyvin, S. J. (1988). Enumeration of branched catacondensed benzenoid hydrocarbons and their numbers of Kekulé structures. Tetrahedron, 44(1), 221-228. See Table 1.

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Sequence in context: A032203 A197444 A094717 * A038142 A287427 A267397

Adjacent sequences:  A323930 A323931 A323932 * A323934 A323935 A323936

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved

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Last modified July 30 23:02 EDT 2021. Contains 346365 sequences. (Running on oeis4.)