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!)
A013641 f-vector for simplicial polytope providing counterexample to unimodality conjecture. 0

%I #12 Aug 17 2018 14:17:42

%S 1,1320,869619,24650747,342491792,3070918789,19918328394,99465082767,

%T 397591643442,1306188319799,3593770140180,8397239870111,

%U 16843753477928,29259588507633,44370698483306,59263421467414,70604148959649,76609321169592,78245589858777,78245589349944,78245589350797,76598891788386,69592677861523,55485099387534,37137014371927,20144065902012,8558343705069,2730558787586,613985498319,86678396880,5778559792

%N f-vector for simplicial polytope providing counterexample to unimodality conjecture.

%C Note a(17) > a(18) < a(19). - _Sean A. Irvine_, Aug 17 2018

%D G. M. Ziegler, Lect. on Polytopes, Springer 1995, p. 273.

%K nonn,fini,full

%O -1,2

%A _N. J. A. Sloane_

%E More terms from Ziegler reference added by _Sean A. Irvine_, Aug 17 2018

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 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)