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 A111278 #17 Sep 23 2022 05:40:11 %S A111278 324,576,784,1296,2304,2500,2704,3136,3600,4356,5184,6084,7056,8100, %T A111278 9216,11236,11664,14400,14884,15876,17424,24336,24964,25600,27556, %U A111278 28224,30276,32400,33856,34596,36864,38416,39204,41616,49284,51076,51984 %N A111278 Untouchable squares. %H A111278 Amiram Eldar, <a href="/A111278/b111278.txt">Table of n, a(n) for n = 1..498</a> (terms 1..200 from Donovan Johnson) %Y A111278 Intersection of A000290 (squares) and A005114 (untouchable numbers). %K A111278 nonn %O A111278 1,1 %A A111278 _Tanya Khovanova_, Aug 05 2006 %E A111278 a(16) to a(33) from _Klaus Brockhaus_, Aug 10 2006 %E A111278 More terms obtained from b-file of A005114 by _David Wasserman_, Jan 07 2009