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 A052065 #9 Oct 17 2019 22:16:45 %S A052065 13,104,1014,10123,101047,1010456,10104574,101045587,1010455851, %T A052065 10104558492,101045584913,1010455848322,10104558481373, %U A052065 101045584813152,1010455848130452,10104558481304484 %N A052065 a(n) is the first square root greater than 10^n such that a(n)^2 is a palfree square (palfree = contains no palindromic substring except single digits). %C A052065 Probably finite. %H A052065 Keith Schneider, <a href="/A052065/b052065.txt">Table of n, a(n) for n = 1..25</a> %H A052065 Keith Schneider, <a href="/A052065/a052065.txt">Mathematica code for A052025-A052028</a> %Y A052065 Cf. A052066, A052061, A052062. %K A052065 nonn,base %O A052065 1,1 %A A052065 _Patrick De Geest_, Jan 15 2000 %E A052065 More terms from Keith Schneider (schneidk(AT)email.unc.edu), May 23 2007