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Search: id:A014396
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| A014396 |
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Number of multigraphs with 6 nodes and n edges. |
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+0
4
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| 1, 1, 3, 8, 21, 52, 132, 313, 741, 1684, 3711, 7895, 16310, 32604, 63363, 119745, 220546, 396428, 696750, 1198812, 2022503, 3349574, 5452496, 8732932, 13776366, 21423968, 32872642, 49804323, 74560913, 110369469, 161639227
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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CRC Handbook of Combinatorial Designs, 1996, p. 650.
F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 88, (4.1.18).
J. L. Gross and J. Yellen, eds., Handbook of Graph Theory, CRC Press, 2004; p. 517.
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CROSSREFS
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Cf. A001399, A003082, A014395, A014397, A014398.
Sequence in context: A071078 A096770 A007835 this_sequence A039671 A027930 A038200
Adjacent sequences: A014393 A014394 A014395 this_sequence A014397 A014398 A014399
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KEYWORD
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nonn
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AUTHOR
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njas
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EXTENSIONS
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More terms and better description from Vladeta Jovovic (vladeta(AT)Eunet.yu), Dec 29 1999
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