A321636 Number of (5-n)-faces of the 2_21 polytope.

99, 648, 1080, 720, 216, 27

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