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 A052096 #11 Aug 11 2024 14:41:32 %S A052096 100220121,102212100,108180801,121022001,121220100,210221001, %T A052096 400880484,408848400,484088004,484880400,840884004,966339396, %U A052096 111090889809,118689896196,125541245124,126022160016,129669129216,135316565316 %N A052096 Squares whose decimal expansion digits occur with an exact frequency of 3. %C A052096 For case frequency 2 the first terms correspond to those of sequence A052050. %C A052096 Last term is 999888777330214565264406301521 = 999944387118711^2. - _Giovanni Resta_, Mar 21 2013 %H A052096 P. De Geest, <a href="https://www.worldofnumbers.com/samedigits.htm">Numbers whose digits occur with same frequency</a> %Y A052096 Cf. A052095, A052097, A052098, A052050. %K A052096 nonn,base,fini %O A052096 1,1 %A A052096 _Patrick De Geest_, Jan 15 2000