%I #5 Apr 12 2024 09:51:27
%S 1,11,26,276,161761
%N Numbers k such that k and k^2 use only the digits 1, 2, 6 and 7.
%C Generated with DrScheme.
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 161761^2 = 26166621121.
%K base,nonn,changed
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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