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!)
A125031 Total number of highest scorers in all 2^(n(n-1)/2) tournaments with n players. 5

%I #15 Nov 14 2023 09:22:17

%S 1,2,12,104,1560,53184,3422384,430790144,111823251840,56741417927680,

%T 57729973360342272,118195918779085344768,479770203506298422135808,

%U 3914602958361039682677710848,63809077054456699374663196416000,2076906726499655025703507210668998656

%N Total number of highest scorers in all 2^(n(n-1)/2) tournaments with n players.

%C All highest scorers are also king chickens, A123553.

%H Andrew Howroyd, <a href="/A125031/b125031.txt">Table of n, a(n) for n = 1..20</a>

%H <a href="/index/To#tournament">Index entries for sequences related to tournaments</a>

%e With 4 players there are 32 tournaments with 1 highest scorer, 24 tournaments with 2 highest scorers and 8 tournaments with 3 highest scorers. Therefore a(4)=32*1+24*2+8*3=104.

%o (PARI) \\ Requires Winners from A013976.

%o a(n)={my(M=Winners(n)); sum(i=1, matsize(M)[1], pollead(M[i, 1])*M[i, 2])} \\ _Andrew Howroyd_, Feb 29 2020

%Y Cf. A006125, A013976, A123553, A125032, A123903.

%K nonn

%O 1,2

%A _Martin Fuller_, Nov 16 2006

%E a(5)-a(10) also computed by _Gordon Royle_, Nov 16 2006

%E Terms a(12) and beyond from _Andrew Howroyd_, Feb 28 2020

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 April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)