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%I #17 Mar 10 2024 03:19:30
%S 2,3,7,22,67,212,667,707,6667,21212,66667,666667,974417,3160457,
%T 6666667,9974417,21200212,66666667,210914543,666666667,973883712,
%U 6666666667,6670081667,66666666667,666666666667
%N Numbers k such that k^2 contains only digits {4,8,9}.
%H Zhao Hui Du, <a href="/A053966/b053966.txt">Table of n, a(n) for n = 1..45</a>
%H Patrick De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">Squares containing at most three distinct digits, Index entries for related sequences</a>
%H Author?, <a href="http://web.archive.org/web/20080708203024/http://blue.kakiko.com/mmrmmr/htm/eqtn06.html">Source</a>(<a href="http://web.archive.org/web/20060426155831/http://blue.kakiko.com/mmrmmr/txt/eqtn06.txt">txt</a>)
%Y Cf. A053967.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Mar 15 2000
%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
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