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A053421
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Number of 5-multigraphs on n nodes.
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3
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1, 6, 56, 2451, 533358, 661452084, 4364646955812, 152397092027960154, 28427450083725134688228, 28645398830642924774967347088, 157458251108667629202718200130101672, 4760428376101385226312810920945121043818096
(list;
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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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F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973.
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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