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Search: id:A068592
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A068592 Number of different Euler multigraphs with n edges, loops forbidden. +0
1
0, 1, 1, 4, 4, 15, 22, 68, 131, 376, 892, 2627, 7217, 22349, 67271, 229553 (list; graph; listen)
OFFSET

1,4

REFERENCES

Huaien Li and David C. Torney, Enumerations of Multigraphs, 2002.

CROSSREFS

Sequence in context: A117187 A138767 A048282 this_sequence A135944 A076821 A165825

Adjacent sequences: A068589 A068590 A068591 this_sequence A068593 A068594 A068595

KEYWORD

nonn

AUTHOR

Huaien Li and David C. Torney (huaien_li(AT)hotmail.com), Mar 27 2002

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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