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 A383984 #9 May 17 2025 00:40:08 %S A383984 1,1,3,7,24,81,323,1265,5202,21335,88412,364897 %N A383984 Number of connected subsets of n edges of the icosidodecahedron up to the 120 rotations and reflections of the icosidodecahedron. %C A383984 Connected subsets of edges are also called "polysticks," "polyedges," and "polyforms." %C A383984 These are "free" polyforms, in that two polyforms are equivalent if one can be mapped to the other using the 120 symmetries of the icosidodecahedron. %Y A383984 Cf. A019988. %Y A383984 Cf. A333333 (cube, row 3), A383490 (dodecahedron), A383973 (octahedron, row 3), A383974 (icosahedron), A383974 (tetrahedron, row 3), A383981 (rhombic dodecahedron), A383982 (cuboctahedron), A383983 (rhombic triacontahedron), A383984 (icosidodecahedron). %K A383984 nonn,fini,more %O A383984 0,3 %A A383984 _Peter Kagey_, May 16 2025