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 A038172 #24 May 02 2023 06:52:43 %S A038172 1,1,5,28,225,2274,24955,286143,3367443,40358811,490598186 %N A038172 Number of "connected animals" formed from n rhombic dodecahedra (or edge-connected cubes) in the face-centered cubic lattice, allowing translation and rotations of the lattice. %H A038172 S. T. Coffin, <a href="https://www.johnrausch.com/PuzzlingWorld/">Puzzling World of Polyhedral Dissections</a>, Oxford Univ. Press, 1991. %H A038172 G. L. Sicherman, <a href="https://sicherman.net/polyrhons/catalogue.html">Catalogue of Polyrhons</a> %H A038172 T. Sillke, <a href="https://www.math.uni-bielefeld.de/~sillke/PENTA/notar">Notations for polyspheres</a> %H A038172 <a href="/index/Fa#fcc">Index entries for sequences related to f.c.c. lattice</a> %Y A038172 Cf. A000162, A038119, A038168-A038174. %K A038172 nonn,hard,more %O A038172 1,3 %A A038172 _Achim Flammenkamp_ %E A038172 This extends earlier work of Torsten Sillke (TORSTEN.SILLKE(AT)LHSYSTEMS.COM). Added the 10th term. %E A038172 a(11) from _Joerg Arndt_ and _Márk Péter Légrádi_, Apr 30 2023