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 A383801 #15 May 12 2025 14:34:56 %S A383801 1,1,2,3,5,7,15,24,48,81,149,255,458,730,1148,1623,2112,2325,2075, %T A383801 1175,410,84,16,1,1 %N A383801 Number of polyforms with n cells on the faces of a triakis octahedron up to rotation. %C A383801 These are "one-sided" polyforms. %C A383801 The triakis octahedron is the polyhedral dual of the truncated cube. %H A383801 Peter Kagey, <a href="/A383801/a383801.pdf">Illustration of a(6)=15</a>. %H A383801 Wikipedia, <a href="https://en.wikipedia.org/wiki/Triakis_octahedron">Triakis octahedron</a> %Y A383801 Cf. A383800 (free). %Y A383801 Tetrahedral symmetry: A383826. %Y A383801 Octahedral symmetry: A383799 (row 3), A383801, A383803, A383805, A383807, A383808. %Y A383801 Icosahedral symmetry: A030137, A030138, A383491, A383493, A383495, A383497, A383498, A383786. %K A383801 nonn,fini,full %O A383801 0,3 %A A383801 _Peter Kagey_, May 10 2025