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 A235723 #15 Apr 18 2017 16:16:05 %S A235723 10278436,10673289,10679824,10837264,13498276,13527684,13675204, %T A235723 13860729,13942756,16378209,16785409,17280649,17430625,19847025, %U A235723 20584369,20738916,21307456,21473956,21743569,23078416,23174596,23970816,24137569,24671089,24870169,28901376 %N A235723 Squares which have one or more occurrences of exactly eight different digits. %C A235723 The first term having a repeated digit is 101465329. %H A235723 Colin Barker, <a href="/A235723/b235723.txt">Table of n, a(n) for n = 1..1000</a> %F A235723 a(n) = A054036(n)^2. %e A235723 10278436 is in the sequence because 10278436 = 3206^2 and 10278436 contains exactly eight different digits: 0, 1, 2, 3, 4, 6, 7 and 8. %o A235723 (PARI) s=[]; for(n=1, 10000, if(#vecsort(eval(Vec(Str(n^2))),,8)==8, s=concat(s, n^2))); s %Y A235723 Cf. A235717-A235722, A235724, A225218. %K A235723 nonn,base %O A235723 1,1 %A A235723 _Colin Barker_, Jan 15 2014