%I #6 Oct 18 2019 22:14:14
%S 3,583,58167,58295281833,199974958167
%N Numbers k such that k^2 contains only digits {3,8,9}.
%H P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">Index to related sequences</a>
%H Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/math02/math0210.htm#389">Sporadic tridigital solutions</a>
%Y Cf. A058468.
%K nonn,base,hard,more
%O 1,1
%A _Patrick De Geest_, Nov 15 2000
|