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A122677 Number of catacondensed azulenoids with n carbon atoms. 0
1, 1, 3, 12, 58, 256, 1156 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

REFERENCES

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

CROSSREFS

Sequence in context: A012709 A032268 A079245 * A038177 A163047 A090363

Adjacent sequences:  A122674 A122675 A122676 * A122678 A122679 A122680

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2006

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Last modified February 17 12:35 EST 2012. Contains 206019 sequences.