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 A318858 #29 Dec 04 2019 11:36:27 %S A318858 0,6,11,111,114,217 %N A318858 Number of still-lifes synthesizable from n gliders in Conway's game of Life. %C A318858 No stable form can be produced by a single glider (on an infinite or toroidal board), thus a(1) = 0. %C A318858 Block, boat, beehive, loaf, eater, and pond are the six still-life forms that can be made from 2 gliders. %C A318858 Tub, Ship, Barge, Long boat, Mango, Long barge, Very long boat, Hat, Half bakery, Paperclip, and Bi-pond can be made from 3 gliders. %C A318858 Most of the terms in this sequence are conjectural and will likely increase over time. - _Nathaniel Johnston_, Dec 03 2019 %H A318858 Mark Niemiec, <a href="http://conwaylife.com/ref/mniemiec/objcost.htm">Life Objects Sorted by Cost in Gliders</a>. %H A318858 Wikipedia, <a href="https://en.wikipedia.org/wiki/Glider_(Conway%27s_Life)">Glider (Conway's Life)</a>, <a href="https://en.wikipedia.org/wiki/Still_life_(cellular_automaton)">Still life (cellular automaton)</a> %H A318858 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %Y A318858 Cf. A019473, A056614. %K A318858 nonn,hard,more %O A318858 1,2 %A A318858 _Ed Pegg Jr_, Sep 04 2018