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A053588 Number of self-complementary 4-multigraphs on n nodes. 4
1, 1, 3, 16, 121, 1480, 50993, 3279685, 505641590, 152461906778, 103587671805408, 145528904385412088, 442626996609870050404, 2918362542591139744394993, 40446812392580562094804791143 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

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.

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A004102, A004104, A053420.

Sequence in context: A121629 A200793 A141625 * A295928 A035352 A159607

Adjacent sequences:  A053585 A053586 A053587 * A053589 A053590 A053591

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Jan 19 2000

STATUS

approved

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Last modified December 14 21:22 EST 2017. Contains 296020 sequences.