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%I #7 Apr 12 2024 09:51:27
%S 1,9,786,881,887,7867,8167,8887,81619,81791,81969,88776,88869,88987,
%T 781791,819687,876167,988776,988869,7866187,7866881,8168119,8179119,
%U 8768619,8819687,8881886,78177867,81718796,81968176,87817891,88191786,88191791,88196819,88711886,88768619,88817891,88866187,88876987,781779891,786117796
%N Numbers k such that k and k^2 use only the digits 1, 6, 7, 8 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137065/b137065.txt">Table of n, a(n) for n = 1..239</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 786891978716786^2 = 619198986168818791199198169796.
%K base,nonn
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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