A136840 - OEIS

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

%S 0,1,10,38,100,380,1000,1141,1188,3441,3800,10000,10401,11410,11880,

%T 18188,33188,33441,34410,38000,100000,104010,114100,118800,181880,

%U 331880,334410,344100,380000,1000000,1004001,1040100,1141000,1188000,1818800,3318800,3344100,3344848,3441000,3441048,3800000,10000000,10040010,10188441,10401000

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

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A136840/b136840.txt">Table of n, a(n) for n = 1..369</a>

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

%e 104130413810348^2 = 10843143080314313484111881104.

%K base,nonn

%O 1,3

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