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 A141817 #3 Aug 24 2012 10:50:01 %S A141817 64,81,121,324,361,441,484,529,625,676,729,784,841,961,1521,1681,2116, %T A141817 2401,2601,2916,3025,3136,3249,3364,3481,3721,4225,4356,4624,4761, %U A141817 5041,5184,5329,5476,5625,5929,6084,6241,6400,6561,6724,7056,7225,7396,7569 %N A141817 "Early bird" squares: write the natural numbers in a string 12345678910111213.... Sequence gives squares which occur in the string ahead of their natural place. %C A141817 Subset of A116700 %e A141817 "64" appears in ....44454"64"74849, ahead of its position after "63", so is a member. %Y A141817 Cf. A116700. %K A141817 easy,nonn,base %O A141817 1,1 %A A141817 _Paolo P. Lava_ and _Giorgio Balzarotti_, Jul 08 2008