%I #7 Apr 12 2024 09:51:26
%S 0,1,10,100,1000,10000,100000,1000000,10000000,100000000,1000000000,
%T 9777075001,10000000000,97770750010,100000000000,717997055001,
%U 959050150501,977707500100,1000000000000,7179970550010,7550970170501,9590501505010,9777075001000,10000000000000,71799705500100,75509701705010
%N Numbers k such that k and k^2 use only the digits 0, 1, 5, 7 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A136873/b136873.txt">Table of n, a(n) for n = 1..37</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 7550970170501^2 = 57017150515795901010591001.
%K base,nonn
%O 1,3
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008