%I #7 Jul 05 2021 11:07:12
%S 3,5,23,235,23522235
%N Numbers k such that k and k^2 use only the digits 2, 3, 5 and 9.
%C Generated with DrScheme.
%H J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a>
%e 23522235^2 = 553295539395225.
%K base,nonn,more
%O 1,1
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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