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A321635 Number of (5-n)-faces of the 1_22 polytope. 7
54, 702, 2160, 2160, 720, 72 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Wikipedia, 1_22 polytope
EXAMPLE
For n = 1: The 1_22 polytope has 702 4-faces ((5-1)-faces), namely 270 16-cells and 432 5-cells, so a(1) = 270 + 432 = 702.
CROSSREFS
Cf. number of elements in uniform polytope with Coxeter symbol a_b: A321636 (2_21), A321637 (1_32), A321638 (1_42), A321639 (2_31), A321640 (2_41), A321641 (3_21), A321642 (4_21).
Sequence in context: A253006 A128961 A218130 * A090835 A069980 A139178
KEYWORD
nonn,fini,full
AUTHOR
Felix Fröhlich, Nov 15 2018
STATUS
approved

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Last modified March 1 09:35 EST 2024. Contains 370432 sequences. (Running on oeis4.)