%I #7 Apr 12 2024 09:51:27

%S 3,7,595357,7344357,59455357,99739357,577373357,733344357,5995394357,

%T 74393373357,75733344357,599947779357,7333334394357,7574599379357,

%U 7745953359357,59999477779357,73454473995357,74397577779357,77455454775357,97945797939357,594537934344357,595377993995357,595435957595357,734543775373357

%N Numbers k such that k and k^2 use only the digits 3, 4, 5, 7 and 9.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A137125/b137125.txt">Table of n, a(n) for n = 1..27</a>

%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]

%e 595435957595357^2 = 354543979597499779457747957449.

%K base,nonn

%O 1,1

%A Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008