%I #12 May 01 2024 11:29:16
%S 5,235,2885,2885885
%N Numbers k such that k and k^2 use only the digits 2, 3, 5 and 8.
%C Generated with DrScheme.
%C From _Pontus von BrÃ¶mssen_, May 01 2024: (Start)
%C a(5) > 2*10^45 (if it exists).
%C If k = x*10^m is a term where 1 < x < 10, then 2.285225552388258858552222225235528528523328825 < x < 5.325258888855882552883388888388553252535328324.
%C (End)
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shareddigits/">Tables of Shared Digits</a> [archived]
%e 2885885^2 = 8328332233225.
%K base,nonn,more
%O 1,1
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
