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A022607 Number of topological types of 4-connected n-nodal networks. 0
9, 117, 926 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Delgado Friedrichs, O., Dress, A. W. M., Huson, D. H., Klinowski, J. and Mackay, A. L., Systematic enumeration of crystalline networks, Nature, 400 (Aug 12 1999), 644-647 and 617-618.

LINKS

Table of n, a(n) for n=1..3.

Department of Chemistry, Cambridge University, Systematic enumeration of crystalline networks

CROSSREFS

Sequence in context: A222146 A253655 A092913 * A139740 A221442 A196663

Adjacent sequences:  A022604 A022605 A022606 * A022608 A022609 A022610

KEYWORD

nonn,hard,bref,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 22 17:04 EDT 2019. Contains 327311 sequences. (Running on oeis4.)