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 A359525 #7 Jan 05 2023 11:04:56 %S A359525 1,1,0,0,0,1,0,0,0,1,0,1,1,3,1,3,2,14 %N A359525 Number of well-connected free polyiamonds with n cells, where a polyiamond is defined as well-connected if, for all the triangles it contains, the removal of that single triangle would result in an intact polyiamond. %H A359525 John Mason, <a href="/A359525/a359525.jpg">Well-connected polyiamond examples</a> %Y A359525 Cf. A000577, A341219. %K A359525 nonn,more %O A359525 1,14 %A A359525 _John Mason_, Jan 05 2023