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 A383825 #11 May 12 2025 14:35:36 %S A383825 1,1,2,2,4,4,9,9,14,10,5,1,1 %N A383825 Number of polyforms with n cells on the faces of a triakis tetrahedron up to rotation and reflection. %C A383825 These are "free" polyforms. %C A383825 The triakis tetrahedron is the polyhedral dual of the truncated tetrahedron. %H A383825 Peter Kagey, <a href="/A383825/a383825.png">Illustration of a(0)-a(4)</a>. %H A383825 Wikipedia, <a href="https://en.wikipedia.org/wiki/Triakis_tetrahedron">Triakis tetrahedron</a> %Y A383825 Cf. A383826 (one-sided). %Y A383825 Octahedral symmetry: A333333 (row 3), A383800, A383802, A383804, A383806. %Y A383825 Icosahedral symmetry: A030135, A030136, A340635, A383490, A383492, A383494, A383496. %K A383825 nonn,fini,full %O A383825 0,3 %A A383825 _Peter Kagey_, May 11 2025