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A013640 f-vector for 20-dimensional simplicial polytope providing counterexample to unimodality conjecture. 0
1, 4203045807626, 84060916163336, 798578704207074 (list; graph; refs; listen; history; internal format)
OFFSET

-1,2

REFERENCES

G. M. Ziegler, Lect. on Polytopes, Springer 1995, p. 272.

CROSSREFS

Sequence in context: A172646 A172630 A186912 * A185431 A139574 A173710

Adjacent sequences:  A013637 A013638 A013639 * A013641 A013642 A013643

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.