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 A288248 #11 Jun 10 2017 08:11:43 %S A288248 1,1,2,2,3,4,1,3,2,10,6,5,11,4,11,19,17,55 %N A288248 Number of essentially different simple n-sided lattice polygons with minimum area subject to the conditions of A288247. %C A288248 Polygons differing only by rotation and/or reflection are counted only once. %H A288248 Michael Collier, Herbert Kociemba, Tom Sirgedas, <a href="http://dxdy.ru/topic113868.html">Al Zimmermann - Polygonal Areas</a>. Discussion in newsgroup dxdy.ru %Y A288248 Cf. A288247, A288250. %K A288248 nonn,more %O A288248 3,3 %A A288248 _Hugo Pfoertner_, Jun 07 2017 %E A288248 Based on an exhaustive search performed by Michael Collier, a(12) corrected by _Hugo Pfoertner_, Jun 10 2017