%I #10 Apr 12 2024 09:51:27
%S 1,6,56,76,131,576,756,1156,1331,3656,5756,7166,11731,13331,57716,
%T 57756,75576,117331,133331,337131,371156,577716,611156,717756,731666,
%U 755756,1333331,1771331,3336731,3367131,3371376,6113376,7167131,11736156,13333331,17657166,33336731,33671376,55777556,71537131,71667131,73316666,75576156,75717576
%N Numbers k such that k and k^2 use only the digits 1, 3, 5, 6 and 7.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137033/b137033.txt">Table of n, a(n) for n = 1..258</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 731515657635376^2 = 535115157365716633567766661376.
%K base,nonn
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008