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%I #7 Apr 12 2024 09:51:26
%S 0,2,6,20,60,200,206,600,602,2000,2006,2060,6000,6002,6020,6344,20000,
%T 20006,20060,20600,20602,60000,60002,60020,60200,63440,200000,200006,
%U 200060,200600,206000,206020,600000,600002,600020,600200,602000,603606,634400,2000000,2000006,2000060,2000600,2006000,2006002,2060000,2060200,2462442
%N Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 6.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A136883/b136883.txt">Table of n, a(n) for n = 1..527</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 603626236343602^2 = 364364633202342060002206334404.
%K base,nonn
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008