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

1,4

REFERENCES

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

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

LINKS

Table of n, a(n) for n=1..8.

Index entries for sequences related to tournaments

CROSSREFS

Sequence in context: A184845 A062833 A006250 * A216971 A019575 A178882

Adjacent sequences:  A006246 A006247 A006248 * A006250 A006251 A006252

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 23 01:37 EST 2021. Contains 340384 sequences. (Running on oeis4.)