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%I #7 Apr 12 2024 09:51:27
%S 1,7,771,95915479,1414114479,9549447479,9997777479,44175549479,
%T 444714977479,744411947479,7719779447479,9755999159479,9795711159479,
%U 9955779977479,9974955915479,9975759415479,44711911155479,77174797777479,99571459159479,757941917114479,957974171959479,999597777979479,999747957114479
%N Numbers k such that k and k^2 use only the digits 1, 4, 5, 7 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137050/b137050.txt">Table of n, a(n) for n = 1..24</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 957974171959479^2 = 917714514141449441154417951441.
%K base,nonn
%O 1,2
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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