A121072 - OEIS

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A121072

Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition).

0, 1, 3, 3, 9, 10, 30, 36, 108, 137, 411

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OFFSET

0,3

REFERENCES

B. N. Cyvin et al., A class of polygonal systems representing polycyclic conjugated hydrocarbons ..., Monat. f. Chemie, 125 (1994), 1327-1337 (see Table 2).

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A121445 A327798 A121074 * A133164 A022156 A125027

Adjacent sequences: A121069 A121070 A121071 * A121073 A121074 A121075

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 11 2006

STATUS

approved