login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A280772 Number of simple tournaments with n nodes. 1
1, 1, 1, 0, 3, 15, 197, 4008 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

These values were obtained by using Sagemath.

It would be good to know exactly why this sequence differs from A003505, which has the same name. - N. J. A. Sloane, Jan 18 2017

LINKS

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

Vladimír Müller, Jaroslav Nešetřil, Jan Pelant, Either tournaments or algebras?, Discrete Math. 11 (1975), 37-66. See table 1 on page 65.

Vladimír Müller, Jaroslav Nešetřil, Jan Pelant, Either tournaments or algebras?, Discrete Math. 11 (1975), 37-66. [Annotated copy] See table 1 on page 65.

Index entries for sequences related to tournaments

CROSSREFS

See A003505 for another version.

Sequence in context: A341780 A060194 A068858 * A166359 A195515 A003505

Adjacent sequences:  A280769 A280770 A280771 * A280773 A280774 A280775

KEYWORD

nonn,more

AUTHOR

Jamel Dammak, Dec 11 2016

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 8 12:30 EDT 2022. Contains 356009 sequences. (Running on oeis4.)