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A006249 Number of hypertournaments on n elements under preisomorphism.
(Formerly M0363)
+0
1
1, 1, 1, 2, 2, 6, 17, 79 (list; graph; listen)
OFFSET

1,4

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

D. E. Knuth, ``Axioms and hulls,'' Lect. Notes Comp. Sci., Vol. 606.

LINKS

Index entries for sequences related to tournaments

CROSSREFS

Sequence in context: A134295 A062833 A006250 this_sequence A019575 A138800 A103179

Adjacent sequences: A006246 A006247 A006248 this_sequence A006250 A006251 A006252

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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