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 A175001 #9 Nov 03 2024 16:46:40 %S A175001 0,0,0,1,1,2,2,4,1,3 %N A175001 Number of stable n-celled patterns ("still lifes") in the Move (a.k.a. Morley; B368/S245) cellular automaton. %H A175001 LifeWiki, <a href="https://conwaylife.com/wiki/OCA:Move">Move</a> %e A175001 a(4)=1 because there is only one still-life with four cells: the tub (four cells bordering all four sides of an empty spot). %Y A175001 Cf. A019473, A166476, A175000 %K A175001 hard,more,nonn %O A175001 1,6 %A A175001 _Christian Schroeder_, Apr 03 2010