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A001377 Number of relations with 4 arguments on n nodes.
(Formerly M2189 N0875)
3
2, 32896, 402975273205975947935744, 4824670384888174809315457708695329515706856139873561594988392833332671414272 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
W. Oberschelp, "Strukturzahlen in endlichen Relationssystemen", in Contributions to Mathematical Logic (Proceedings 1966 Hanover Colloquium), pp. 199-213, North-Holland Publ., Amsterdam, 1968.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
P. J. Cameron, Sequences realized by oligomorphic permutation groups, J. Integ. Seqs. Vol. 3 (2000), #00.1.5.
W. Oberschelp, Strukturzahlen in endlichen Relationssystemen, in Contributions to Mathematical Logic (Proceedings 1966 Hanover Colloquium), pp. 199-213, North-Holland Publ., Amsterdam, 1968. [Annotated scanned copy]
CROSSREFS
Sequence in context: A176721 A030462 A228556 * A206854 A330304 A272166
KEYWORD
nonn,nice
AUTHOR
EXTENSIONS
More terms from Vladeta Jovovic
STATUS
approved

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Last modified May 21 10:20 EDT 2024. Contains 372735 sequences. (Running on oeis4.)