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A136885 Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 8. 1

%I #7 Apr 12 2024 09:51:26

%S 0,2,20,22,48,200,202,220,480,482,2000,2002,2020,2022,2200,2202,2832,

%T 4482,4800,4820,4832,20000,20002,20020,20022,20200,20220,20838,22000,

%U 22002,22020,28320,28338,44820,48000,48200,48202,48302,48320,200000,200002,200020,200022,200200,200202,200220,202000,202002,202200,208332,208380,220000,220002

%N Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 8.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A136885/b136885.txt">Table of n, a(n) for n = 1..1123</a>

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

%e 4840808040202^2 = 23433422482084328048200804.

%K base,nonn

%O 1,2

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

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Last modified July 18 03:55 EDT 2024. Contains 374377 sequences. (Running on oeis4.)