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%I #7 Apr 12 2024 09:51:27
%S 1,3,6,13,19,31,37,63,131,313,363,369,796,1319,3376,11731,11736,17796,
%T 31131,31619,61131,61613,61637,117131,133937,191363,193176,311637,
%U 311736,333736,336736,369613,616376,969119,1167637,1316736,1913619,1917637,1991637,3116376,3116619,3336731,3337363,3371376,6113376,6139376,6139769,6319313
%N Numbers k such that k and k^2 use only the digits 1, 3, 6, 7 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137039/b137039.txt">Table of n, a(n) for n = 1..392</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 967976196917637^2 = 936977917799131961979761663769.
%K base,nonn
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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