login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A321636 Number of (5-n)-faces of the 2_21 polytope. 7

%I #5 Dec 19 2018 14:49:37

%S 99,648,1080,720,216,27

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

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/2_21_polytope">2_21 polytope</a>

%Y 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).

%K nonn,fini,full

%O 0,1

%A _Felix Fröhlich_, Nov 24 2018

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)