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 A164565 #4 May 30 2013 11:21:01
%S A164565 10681,10762,11048,11724,11779,11919,11951,12392,12635,12924,13049,
%T A164565 13112,13515,14248,14634,14672,15189,15208,15529,16284,16438,16451,
%U A164565 16902,17992,18306,18482,18508,18527,18542,18844,19107,19471,19485
%N A164565 A156977/3.
%C A164565 There are exactly 87 such numbers, of which 9 are prime: 11779, 13049, 16451, 19471, 19801, 21017, 22921, 25253, 25349.
%H A164565 Charles R Greathouse IV, <a href="/A164565/b164565.txt">Table of n, a(n) for n = 1..87</a>
%t A164565 S={};Do[id=IntegerDigits[9n^2];If[Length[id]==Length[Union@id],S={S,n}],{n,10681,33022}]; S=Flatten[S]
%Y A164565 Cf. A156977.
%K A164565 base,fini,full,nonn
%O A164565 1,1
%A A164565 _Zak Seidov_, Aug 16 2009