This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A063924 #21 Jan 15 2023 02:06:45 %S A063924 5,8,16,24,120,600 %N A063924 Number of 3-dimensional cells in the regular 4-dimensional polytopes. %C A063924 Sorted by number of 3-dimensional cells. %C A063924 Also, number of vertices of the regular 4-dimensional polyhedra. - _Douglas Boffey_, Aug 12 2012 %D A063924 H. S. M. Coxeter, Regular Polytopes, 3rd ed., Dover, NY, 1973. %H A063924 Paul Bourke, <a href="http://paulbourke.net/geometry/hyperspace/">Regular polytopes (Platonic solids) in 4D</a> %H A063924 <a href="/index/Pol#polytopes">Index entries for sequences related to polytopes</a> %F A063924 a(n) = A063925(n) - A063926(n) + A063927(n). %e A063924 a(2) = 8 since a 4D hypercube contains eight cubes. %Y A063924 Cf. A053016, A060296, A063722, A063723. %K A063924 fini,full,nonn %O A063924 1,1 %A A063924 _Henry Bottomley_, Aug 15 2001 %E A063924 Corrected faces to cells by _Douglas Boffey_, Aug 12 2012