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A136973 Numbers k such that k and k^2 use only the digits 1, 2, 3 and 5. 1

%I

%S 1,5,11,15,35,111,115,235,335,1235,3335,3515,12335,33335,33515,123335,

%T 333335,333515,1233335,3333335,3333515,12333335,33333335,33333515,

%U 123333335,333333335,333333515,1233333335,3333333335,3333333515,12333333335,33333333335,33333333515,123333333335,333333333335,333333333515,1233333333335

%N Numbers k such that k and k^2 use only the digits 1, 2, 3 and 5.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A136973/b136973.txt">Table of n, a(n) for n = 1..45</a>

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

%e 333333333333515^2 = 111111111111232222222222255225.

%K base,nonn

%O 1,2

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

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Last modified January 28 23:12 EST 2022. Contains 350670 sequences. (Running on oeis4.)