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 A343954 #9 May 27 2025 10:33:55 %S A343954 4,5,4,4,5,10,4,4,5,12,15,6,10,6,8,10,16,4,4,5,10,16,20,25,30,4,8,8,8, %T A343954 10,10,15,15,20,8,8,8,10,10,15,15,20,20,20,24,30,35,40,6,10,14,4,8,4, %U A343954 8,8,12,5,10,10,15,10,5,7,8,12,16,25,30,30,35,20,20,20,20,15,15,15,15,10,10,10,5,12,24,12,16,16,18,20,8,13 %N A343954 a(n) is the number of triangular faces of Johnson solid J_n. %H A343954 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/JohnsonSolid.html">Johnson Solid</a>. %H A343954 Wikipedia, <a href="https://en.wikipedia.org/wiki/List_of_Johnson_solids">List of Johnson solids</a>. %F A343954 a(n) <= A242731(n). %Y A343954 Cf. A242731, A343955, A343956, A343957, A343958, A343959. %K A343954 nonn,fini,full %O A343954 1,1 %A A343954 _Felix Fröhlich_, May 05 2021 %E A343954 a(74)-a(92) from _Pontus von Brömssen_, May 27 2025