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 A383498 #14 Jun 13 2025 14:25:39 %S A383498 1,1,2,6,16,48,149,460,1471,4702,15126,48607,156417,502137,1608406, %T A383498 5130178,16278890,51297616,160220536,494647640,1504567216,4491151455, %U A383498 13098763174,37146270208,101880559018,268650665645 %N A383498 Number of polyforms with n cells on the faces of a deltoidal hexecontahedron up to rotation. %C A383498 These are "one-sided" polyforms. %C A383498 The deltoidal hexecontahedron is the polyhedral dual of the rhombicosidodecahedron. %H A383498 Wikipedia, <a href="https://en.wikipedia.org/wiki/Deltoidal_hexecontahedron">Deltoidal hexecontahedron</a> %Y A383498 Cf. A340635 (free). %Y A383498 Cf. A030137 (dodecahedron), A030138 (icosahedron), A383491 (rhombic triacontahedron), A383493 (triakis icosahedron), A383495 (pentakis dodecahedron), A383497 (disdyakis triacontahedron). %K A383498 nonn,fini,more %O A383498 0,3 %A A383498 _Peter Kagey_, Apr 28 2025 %E A383498 a(12)-a(25) from _Bert Dobbelaere_, Jun 13 2025