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 A383491 #10 Apr 29 2025 04:50:01 %S A383491 1,1,1,4,6,19,43,119,300,818,2083,5357,13078 %N A383491 Number of polyforms with n cells on the faces of a rhombic triacontahedron up to rotation. %C A383491 These are "one-sided" polyforms. %C A383491 The rhombic triacontahedron is the polyhedral dual of the icosidodecahedron. %H A383491 Wikipedia, <a href="https://en.wikipedia.org/wiki/Rhombic_triacontahedron">Rhombic triacontahedron</a> %Y A383491 Cf. A383490 (free). %Y A383491 Cf. A030137 (dodecahedron), A030138 (icosahedron), A383493 (triakis icosahedron), A383495 (pentakis dodecahedron), A383497 (disdyakis triacontahedron), A383498 (deltoidal hexecontahedron). %K A383491 nonn,fini,more %O A383491 0,4 %A A383491 _Peter Kagey_, Apr 28 2025