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 A038180 #31 Jul 08 2025 22:09:26 %S A038180 1,2,6,44,394,4680,59361,789303,10742595,148921162,2093400002, %T A038180 29769338104 %N A038180 Number of "connected animals" formed from n square- or hexagon-connected truncated octahedra in the b.c.c. lattice, allowing translation and rotations of the lattice. %H A038180 S. T. Coffin, <a href="http://www.johnrausch.com/PuzzlingWorld/">Puzzling World of Polyhedral Dissections</a>, Oxford Univ. Press, 1991. %H A038180 M. Owen, <a href="http://www.quinapalus.com/splatts.html">Splatts</a> %H A038180 T. Sillke, <a href="http://www.mathematik.uni-bielefeld.de/~sillke/PENTA/notar">Notations for polyspheres</a> %H A038180 <a href="/index/Ba#bcc">Index entries for sequences related to b.c.c. lattice</a> %Y A038180 Cf. A000162, A038119, A038168-A038174, A038181. %K A038180 nonn,more %O A038180 1,2 %A A038180 Torsten Sillke (TORSTEN.SILLKE(AT)LHSYSTEMS.COM) %E A038180 Corrected and extended by _Achim Flammenkamp_ %E A038180 Definition corrected by _Fred Bayer_, Aug 11 2010 %E A038180 More terms from _Mark Owen_, Oct 11 2013