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A121075 Nonisomorphic catacondensed monoheptabenzenoids (see reference for precise definition). 0
0, 0, 1, 10, 47, 221, 970, 4241, 18294 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

REFERENCES

B. N. Cyvin et al., A class of polygonal systems representing polycyclic conjugated hydrocarbons ..., Monat. f. Chemie, 125 (1994), 1327-1337.

CROSSREFS

Sequence in context: A000832 A143895 A034443 * A121073 A195023 A163724

Adjacent sequences:  A121072 A121073 A121074 * A121076 A121077 A121078

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 11 2006

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Last modified February 16 05:55 EST 2012. Contains 205860 sequences.