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A121941
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Number of graphs of hydrogen bonded water clusters.
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0
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OFFSET
| 2,2
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REFERENCES
| T. Miyake and M. Aida, "Enumeration of topology-distinct structures of hydrogen bonded water clusters", Chem. Phys. Lett., vol. 363 (2002) pp. 106-110. See Table 1 column 2 on page 109.
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EXAMPLE
| If n=5 then the number of graphs of hydrogen bonded water clusters is 21.
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CROSSREFS
| Sequence in context: A150192 A150193 A052300 * A150194 A150195 A150196
Adjacent sequences: A121938 A121939 A121940 * A121942 A121943 A121944
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 03 2006
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