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 A383981 #15 May 17 2025 00:39:46 %S A383981 1,1,3,5,16,39,127,357,1067,2861,7071,14827,25638,33730,33189,24838, %T A383981 14954,7188,2905,912,254,49,11,1,1 %N A383981 Number of connected subsets of n edges of the rhombic dodecahedron up to the 48 rotations and reflections of the rhombic dodecahedron. %C A383981 Connected subsets of edges are also called "polysticks," "polyedges," and "polyforms." %C A383981 These are "free" polyforms, in that two polyforms are equivalent if one can be mapped to the other using the 48 symmetries of the rhombic dodecahedron. %Y A383981 Cf. A019988. %Y A383981 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 A383981 nonn,fini,full %O A383981 0,3 %A A383981 _Peter Kagey_, May 16 2025