%I #6 Jul 05 2021 02:37:30
%S 0,1,10,11,96,100,101,110,960,996,1000,1001,1010,1011,1096,1100,1101,
%T 1619,9600,9960,9996,10000,10001,10010,10011,10096,10100,10110,10960,
%U 10996,11000,11001,11010,16190,96000,96001,99600,99960,99996,100000,100001,100010,100011,100096,100100,100101,100110,100960,100996,101000,101001,101100,109600
%N Numbers k such that k and k^2 use only the digits 0, 1, 2, 6 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A136830/b136830.txt">Table of n, a(n) for n = 1..1308</a>
%H J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a>
%e 109621901096^2 = 12016961199901206001216.
%K base,nonn
%O 1,3
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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