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%I #11 May 10 2024 08:51:14
%S 1,2,4,11,12,21,46,121,162,642,6642,11142,664162,66641662,6664414162,
%T 6642624666662
%N Numbers k such that k and k^2 use only the digits 1, 2, 4 and 6.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 6642624666662^2 = 44124462462146446614222244.
%K base,nonn,more
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008