The On-Line Encyclopedia of Integer Sequences (OEIS)

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Number of unbranched catacondensed azulenoids with n carbon atoms and C_s symmetry.
(history; published version)

#5 by R. J. Mathar at Sun Nov 23 17:23:58 EST 2014

STATUS

editing

approved

#4 by R. J. Mathar at Sun Nov 23 17:23:52 EST 2014

REFERENCES

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

LINKS

J. Brunvoll, S. J. Cyvin and B. N. Cyvin, <a href="http://match.pmf.kg.ac.rs/content34.htm">Azulenoids</a>, MATCH, No. 34, 1996, 91-108.

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 16:50:31 EDT 2012

AUTHOR

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

Discussion

Fri Mar 30

16:50

OEIS Server: https://oeis.org/edit/global/110

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

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

#1 by N. J. A. Sloane at Fri Sep 29 03:00:00 EDT 2006

NAME

Number of unbranched catacondensed azulenoids with n carbon atoms and C_s symmetry.

DATA

0, 0, 2, 12, 54, 256, 1141

OFFSET

1,3

REFERENCES

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

KEYWORD

nonn,new

AUTHOR

njas, Sep 23 2006

STATUS

approved