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A122676 Number of unbranched catacondensed azulenoids with n carbon atoms and C_s symmetry. +0
1
0, 0, 2, 12, 54, 256, 1141 (list; graph; listen)
OFFSET

1,3
REFERENCES

J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Azulenoids, MATCH, No. 34, 1996, 91-108.

CROSSREFS

Sequence in context: A055703 A006738 A111642 this_sequence A038175 A025171 A127214

Adjacent sequences: A122673 A122674 A122675 this_sequence A122677 A122678 A122679

KEYWORD

nonn

AUTHOR

njas, Sep 23 2006

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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