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 A162859 #11 Feb 15 2014 13:45:59 %S A162859 3942,4121,4181,4892,5227,5321,6024,6341,6459,6523,6543,6772,7629, %T A162859 7673,7726,7813,8079,8092,8147,8269,8353,8524,8647,8803,8911,9043, %U A162859 9091,9678,9702,10128 %N A162859 Numbers n such that 9n^2 is a zeroless pandigital number. %F A162859 A071519(n)/3. %t A162859 With[{c=Range[9]},Select[Range[11000],Sort[IntegerDigits[9 #^2]]== c&]] (* _Harvey P. Dale_, Jun 26 2011 *) %Y A162859 Cf. A071519 Numbers whose square is a zeroless pandigital number. %K A162859 fini,full,nonn,base %O A162859 1,1 %A A162859 _Zak Seidov_, Jul 14 2009 %E A162859 Edited by _Charles R Greathouse IV_, Aug 02 2010