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 A100094 #6 Aug 10 2021 11:04:43 %S A100094 1,2,4,11,28,65,147,321,678,1382,2738,5289,9985,18452,33455,59616, %T A100094 104556,180690,308058,518648,863037,1420480,2314170,3734063,5970888, %U A100094 9466452,14887746,23235296,36000876,55395893,84680624,128636339,194239572 %N A100094 a(n) = A100092(n^2+n+1). %H A100094 S. Kurz, <a href="http://www.mathe2.uni-bayreuth.de/sascha/papers/extremal_polyominoes_paper1_2.pdf">Counting polyominoes with minimum perimeter</a>, submitted to Ars Combinatoria %Y A100094 Cf. A100092, A100093. %K A100094 nonn %O A100094 0,2 %A A100094 _Sascha Kurz_, Nov 03 2004 %E A100094 a(0) prepended by _Jianing Song_, Aug 10 2021