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%I #24 Mar 09 2024 18:52:58
%S 168,478,2878,210912978,15647628653832,1511583350076478,
%T 6548620039541478,669644852476481662,20597146608802018338,
%U 53710727465081333454522,2069416058768323727702022,149140498954591218312271662,20598117118436403877526792022
%N When squared gives number composed of digits {2,4,8} with each of these digits appearing at least once.
%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 Patrick De Geest, <a href="http://www.worldofnumbers.com/square.htm">Palindromic Squares</a>
%H H. Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/math02/math0210.htm#248">Squares consisted of 3 different digits</a>.
%H A. Ottens, <a href="http://einstein.et.tudelft.nl/~arlet/puzzles/sol.cgi/arithmetic/digits/squares/three.digits">The arithmetic-digits-squares-three.digits problem</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareNumber.html">Square Number.</a>
%Y Cf. A027678.
%K nonn,base
%O 1,1
%A _Patrick De Geest_
%E One more term from _Jon E. Schoenfield_, Sep 04 2006
%E More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), May 19 2007
%E Title improved by _Sean A. Irvine_, Nov 24 2019
%E a(12)-a(13) from _Zhao Hui Du_, Mar 09 2024
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