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Search: id:A122684
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| A122684 |
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Sum of all Wiener indices of "chemical" trees described by A000602(n). |
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+0
1
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OFFSET
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1,3
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REFERENCES
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S. Wagner, Graph-theoretical enumeration and digital expansions: an analytic approach, Dissertation, Fakult. f. Tech. Math. u. Tech. Physik, Tech. Univ. Graz, Austria, Feb., 2006.
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CROSSREFS
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Sequence in context: A138617 A159833 A166808 this_sequence A122681 A020496 A108484
Adjacent sequences: A122681 A122682 A122683 this_sequence A122685 A122686 A122687
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2006
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