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A323932 Unbranched catafusenes. 1
0, 0, 0, 1, 4, 16, 50, 158, 472, 1406, 4111, 11998 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

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: A227675 A203094 A298173 * A121184 A203840 A089093

Adjacent sequences:  A323929 A323930 A323931 * A323933 A323934 A323935

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 09 2019

STATUS

approved

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Last modified June 16 15:56 EDT 2021. Contains 345063 sequences. (Running on oeis4.)