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A173878 Number of six-dimensional simplical toric diagrams with hypervolume n. 3
1, 3, 7, 23, 19, 65, 46, 202, 156, 281, 183, 972, 333, 903, 1029, 2507, 912 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Also gives the number of distinct abelian orbifolds of C^7/Gamma, Gamma in SU(7).

LINKS

Table of n, a(n) for n=1..17.

Gabriele Balletti, A database of "small" lattice polytopes

J. Davey, A. Hanany and R. K. Seong, Counting Orbifolds, J. High Energ. Phys. (2010) 2010: 10; arXiv:1002.3609 [hep-th], 2010.

A. Hanany and R. K. Seong, Symmetries of abelian orbifolds, J. High Energ. Phys. (2011) 2011: 27; arXiv:1009.3017 [hep-th], 2010-2011.

Andrey Zabolotskiy, Coweight lattice A^*_n and lattice simplices, arXiv:2003.10251 [math.CO], 2020.

CROSSREFS

Cf. A003051 (No. of two-dimensional triangular toric diagrams of area n), A045790 (No. of three-dimensional tetrahedral toric diagrams of volume n), A173824 (No. of four-dimensional simplical toric diagrams of hypervolume n), A173877 (No. of five-dimensional simplical toric diagrams of hypervolume n).

Sequence in context: A082271 A229438 A069505 * A225264 A032403 A072584

Adjacent sequences:  A173875 A173876 A173877 * A173879 A173880 A173881

KEYWORD

nonn,more,changed

AUTHOR

Rak-Kyeong Seong (rak-kyeong.seong(AT)imperial.ac.uk), Mar 01 2010

EXTENSIONS

a(8)-a(16) from Balletti's data and a(17) from Table 15 of Hanany & Seong 2011 added by Andrey Zabolotskiy, Mar 13 2020

STATUS

approved

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Last modified July 12 10:20 EDT 2020. Contains 335657 sequences. (Running on oeis4.)