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%I #7 Apr 12 2024 09:51:26
%S 0,1,2,10,11,12,20,21,22,100,101,102,110,120,122,200,201,202,210,220,
%T 221,1000,1001,1002,1010,1011,1012,1020,1021,1022,1100,1101,1102,1200,
%U 1201,1202,1220,1422,1488,2000,2001,2002,2010,2011,2012,2020,2021,2022,2100,2101,2102,2200,2201,2202,2210,2848,4488,10000,10001,10002,10010,10011,10012,10020
%N Numbers k such that k and k^2 use only the digits 0, 1, 2, 4 and 8.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A136820/b136820.txt">Table of n, a(n) for n = 1..1047</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 20284201^2 = 411448810208401.
%K base,nonn,changed
%O 1,3
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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