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 A302930 #8 Apr 17 2018 09:43:46 %S A302930 0,0,0,0,0,1,1,2,2,3,3,4,4,5,6,6,7,8,8,9,10,10,11,12,12,13,14,15,15, %T A302930 16,17,18 %N A302930 Maximum number of 6's possible in an infinite Minesweeper grid with n mines. %H A302930 Dmitry Kamenetsky, <a href="/A302930/a302930.txt">The first 32 solutions</a> %H A302930 Wikipedia, <a href="https://en.wikipedia.org/wiki/Minesweeper_(video_game)">Minesweeper</a>. %Y A302930 Cf. A047345, A302928, A302929, A302931. %K A302930 nonn,more %O A302930 1,8 %A A302930 _Dmitry Kamenetsky_, Apr 16 2018