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 A302931 #8 Apr 17 2018 09:43:54 %S A302931 0,0,0,0,0,0,1,1,1,1,2,2,2,3,3,4,4,4,4,5,5,6,6,6,7,7,7,8,8,9,9,10 %N A302931 Maximum number of 7's possible in an infinite Minesweeper grid with n mines. %H A302931 Dmitry Kamenetsky, <a href="/A302931/a302931.txt">The first 32 solutions</a> %H A302931 Wikipedia, <a href="https://en.wikipedia.org/wiki/Minesweeper_(video_game)">Minesweeper</a>. %Y A302931 Cf. A047345, A302928, A302929, A302930. %K A302931 nonn,more %O A302931 1,11 %A A302931 _Dmitry Kamenetsky_, Apr 16 2018