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%I #7 Apr 12 2024 09:51:27
%S 8,69684,946888,6669684,6988884,66996684,94598866,666696684,666699684,
%T 698988884,946566884,948496684,6669966684,6855558664,6998898884,
%U 9458585866,66666966684,66666996684,68446655864,69684686664,69888946684,69898966864,69988966884,94649646886,94656988884,666699666684,669998855886,685555646658
%N Numbers k such that k and k^2 use only the digits 4, 5, 6, 8 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137142/b137142.txt">Table of n, a(n) for n = 1..68</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 945856489958686^2 = 894644499596965869945986846596.
%K base,nonn
%O 1,1
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008