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A030529 Number of polyhexes of class PF2. +0
11
0, 0, 1, 4, 17, 66, 269 (list; graph; listen)
OFFSET

2,4

COMMENT

See reference for precise definition.

REFERENCES

S. J. Cyvin et al., Enumeration and classification of benzenoid systems 32. Normal perifusenes with two internal vertices, J. Chem. Inform. Comput. Sci., 32 (1992), 532-540.

CROSSREFS

Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, A030534.

Sequence in context: A102207 A045992 A046723 this_sequence A081113 A114587 A033114

Adjacent sequences: A030526 A030527 A030528 this_sequence A030530 A030531 A030532

KEYWORD

nonn

AUTHOR

njas

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Last modified July 4 13:19 EDT 2008. Contains 140839 sequences.


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