login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A006250 Number of hypertournaments on n elements under signed bijection.
(Formerly M0362)
0
1, 1, 1, 2, 2, 6, 17, 69 (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: A134295 A184845 A062833 * A006249 A216971 A019575

Adjacent sequences:  A006247 A006248 A006249 * A006251 A006252 A006253

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 28 07:44 EST 2020. Contains 338702 sequences. (Running on oeis4.)