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%I #7 Apr 12 2024 09:51:27
%S 1,4,8,41,88,881,4141,6441,6846,8478,8641,8874,8878,41771,68181,68474,
%T 68678,68878,86478,88776,816771,817181,846846,876178,878488,881178,
%U 6417776,6647441,7866881,8177678,8466846,8761776,8841181,41818474,64168641,64411776,66466846,66871881,68444641,81676874,81768846,84668641,84668871,86116878,87617776
%N Numbers k such that k and k^2 use only the digits 1, 4, 6, 7 and 8.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137052/b137052.txt">Table of n, a(n) for n = 1..299</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 874167467867678^2 = 764168761878187848616117111684.
%K base,nonn,changed
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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