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 A034985 #6 Oct 06 2019 18:13:48 %S A034985 4,441,444889,44448889,4444488889,444444888889,44444448888889, %T A034985 444444441586201,444444444888888889,44444444448888888889, %U A034985 4444444444488888888889,44444444444490000019684,4444444444444783631754841,4444444444444488888888888889,44444444444444463221377563664,44444444444444448888888888888889,4444444444444444488888888888888889 %N A034985 Smallest square starting with a string of n 4's. %Y A034985 Cf. A034984. %K A034985 nonn,base %O A034985 1,1 %A A034985 _Patrick De Geest_, Nov 15 1998 %E A034985 More terms from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 23 2001