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A068590
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Number of different Euler multigraphs with n edges, loops allowed.
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0
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1, 3, 6, 16, 34, 90, 213, 572, 1499, 4231, 12115, 36660, 114105
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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REFERENCES
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Huaien Li and David C. Torney, Enumerations of Multigraphs, 2002.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Huaien Li and David C. Torney (huaien_li(AT)hotmail.com), Mar 27 2002
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STATUS
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approved
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