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A052108
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Number of self-complementary 5-multigraphs on n nodes.
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0
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1, 0, 0, 9, 54, 0, 0, 52650, 1890540, 0, 0, 264480947280, 57127543673760, 0, 0, 1295355012667626301200, 1678780080964997690732640, 0, 0, 6577809875294796334824189267538944
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,4
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REFERENCES
| D. Wille, Enumeration of self-complementary structures, J. Combin. Theory Ser.B 25 (1978), no. 2, 143-150.
J. Xu, Ch. R. Wang, J. F. Wang, The theory of self-complementary k-multigraphs (in Chinese), Pure Appl. Math. [Chuncui Shuxue yu Yingyong Shuxue] 10 (1994), Special Issue, 18-22.
V. Jovovic, On the number of m-place relations (in Russian), Logiko-algebraicheskie konstruktsii, Tver, 1992, 59-66.
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CROSSREFS
| Cf. A000171, A053588, A053421.
Sequence in context: A003698 A001688 A144040 * A093846 A152994 A034719
Adjacent sequences: A052105 A052106 A052107 * A052109 A052110 A052111
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KEYWORD
| nonn
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AUTHOR
| Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 20 2000
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