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A137011 Numbers k such that k and k^2 use only the digits 1, 2, 5, 8 and 9. 1

%I

%S 1,5,9,11,15,91,159,285,911,1515,1585,2285,29859,92511,95911,111891,

%T 285515,2992589,9225591,9228159,9991289,15891891,22991285,29819891,

%U 99291585,99295515,111889289,151189285,151189589,229825989,291991289,299921515,922991285,958915159,1512881859,2285211585,2299599859,9229581859,9229582285

%N Numbers k such that k and k^2 use only the digits 1, 2, 5, 8 and 9.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A137011/b137011.txt">Table of n, a(n) for n = 1..184</a>

%H J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a>

%e 158519985898159^2 = 25128585929152528221919589281.

%K base,nonn

%O 1,2

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

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Last modified November 27 12:42 EST 2021. Contains 349394 sequences. (Running on oeis4.)