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 A225565 #23 May 21 2013 01:06:28 %S A225565 33,44,55,66,99,113,116,117,118,133,144,181,191,199,224,226,228,232, %T A225565 233,252,272,282,292,299,311,322,323,353,442,445,557,616,626,661,677, %U A225565 686,717,733,737,757,777,778,797,799,855,884,889,929,1017,1113,1117 %N A225565 Numbers with repeated digits, whose squares do not contain any repeated digits. %C A225565 Subsequence of A119509. There are a total of 274 such terms. a(274)=99066. %H A225565 T. D. Noe, <a href="/A225565/b225565.txt">Table of n, a(n) for n = 1..274</a> %e A225565 117 is a member since it has repeated digits but 117^2=13689 contains no repeated digits. %t A225565 mx[n_]:=Max[DigitCount[n]]; Select[Range[1150],mx[#]>1 && mx[#^2]<=1 &] %Y A225565 Cf. A119509. %K A225565 nonn,base,fini,full %O A225565 1,1 %A A225565 _Jayanta Basu_, May 10 2013