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A013641 f-vector for simplicial polytope providing counterexample to unimodality conjecture. 0
1, 1320, 869619, 24650747, 342491792, 3070918789, 19918328394, 99465082767, 397591643442, 1306188319799, 3593770140180, 8397239870111, 16843753477928, 29259588507633, 44370698483306, 59263421467414, 70604148959649, 76609321169592, 78245589858777, 78245589349944, 78245589350797, 76598891788386, 69592677861523, 55485099387534, 37137014371927, 20144065902012, 8558343705069, 2730558787586, 613985498319, 86678396880, 5778559792 (list; graph; refs; listen; history; text; internal format)
OFFSET

-1,2

COMMENTS

Note a(17) > a(18) < a(19). - Sean A. Irvine, Aug 17 2018

REFERENCES

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

LINKS

Table of n, a(n) for n=-1..29.

CROSSREFS

Sequence in context: A185464 A323802 A161586 * A295449 A092088 A068302

Adjacent sequences:  A013638 A013639 A013640 * A013642 A013643 A013644

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Ziegler reference added by Sean A. Irvine, Aug 17 2018

STATUS

approved

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Last modified August 3 08:53 EDT 2020. Contains 336197 sequences. (Running on oeis4.)