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A045909 Catafusenes (see reference for precise definition). 0
0, 0, 1, 8, 39, 190, 861, 3943, 17867, 81496, 372378 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

REFERENCES

S. J. Cyvin et al., Enumeration and classification of certain polygonal systems...: annelated catafusenes, J. Chem. Inform. Comput. Sci., 34 (1994), 1174-1180.

CROSSREFS

Sequence in context: A134415 A097787 A144414 * A154425 A120931 A069083

Adjacent sequences:  A045906 A045907 A045908 * A045910 A045911 A045912

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 06:37 EST 2012. Contains 205860 sequences.