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A321636
Number of (5-n)-faces of the 2_21 polytope.
7
99, 648, 1080, 720, 216, 27
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OFFSET
0,1
LINKS
Table of n, a(n) for n=0..5.
Wikipedia,
2_21 polytope
CROSSREFS
Cf. number of elements in uniform polytope with Coxeter symbol a_b:
A321635
(1_22),
A321637
(1_32),
A321638
(1_42),
A321639
(2_31),
A321640
(2_41),
A321641
(3_21),
A321642
(4_21).
Sequence in context:
A273187
A322830
A212779
*
A154359
A185499
A061366
Adjacent sequences:
A321633
A321634
A321635
*
A321637
A321638
A321639
KEYWORD
nonn
,
fini
,
full
AUTHOR
Felix Fröhlich
, Nov 24 2018
STATUS
approved
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Last modified August 2 14:38 EDT 2024. Contains 374848 sequences. (Running on oeis4.)