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 A367996 #5 Dec 21 2023 15:37:20 %S A367996 1,1,1,2,1,1648,10916,227056,17,37138,32596907,203911047902268383,61 %N A367996 Numerator of the least probability that a particular free polyomino with n cells appears as the image of a simple random walk on the square lattice. %C A367996 a(n) is the numerator of the minimum of A367994/A367995 over the n-th row. See A367994 for details. %H A367996 Pontus von Brömssen, <a href="/A367996/a367996.svg">Illustration of all least probable polyominoes with at most 13 cells</a>. %H A367996 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %Y A367996 Cf. A367994, A367995, A367997 (denominators), A367998, A368002. %K A367996 nonn,frac,more %O A367996 1,4 %A A367996 _Pontus von Brömssen_, Dec 08 2023