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%I #19 Mar 07 2024 08:52:13
%S 3,27,173,527,5223,85013527,2824499473,5271838173,14907304327,
%T 850281851974525726895170673
%N Numbers k such that k^2 contains only digits {2,7,9}.
%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. A053933.
%K nonn,base,more
%O 1,1
%A _Patrick De Geest_, Mar 15 2000
%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
%E a(10) from _Zhao Hui Du_, Mar 06 2024
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