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%I #8 Apr 12 2024 09:51:27
%S 3,5,23,27,73,77,235,523,527,577,723,773,5223,5723,5773,5777,7227,
%T 27527,57927,72335,75723,97773,232227,232335,239227,239573,522235,
%U 597773,727527,757227,2322235,2357527,5232335,5723227,5775777,7597523,23522235,23922235,23923335,27797977,57755723,59377923,59799277,72755723,229255223,235357977
%N Numbers k such that k and k^2 use only the digits 2, 3, 5, 7 and 9.
%C Generated with DrScheme.
%H Jonathan Wellons, <a href="/A137084/b137084.txt">Table of n, a(n) for n = 1..180</a>
%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]
%e 279272793757923^2 = 77993293333355395752325273929.
%K base,nonn
%O 1,1
%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008