%I A137021
%S A137021 1,4,6,34,56,66,116,334,666,1146,1156,3334,3656,6454,6666,11556,33334,
               36556,66454,66666,116454,
%T A137021 333334,561556,643546,666666,1163466,1164631,3333334,3341354,3363646,3651454,
               3655334,5616454,6446434,
%U A137021 6454116,6666666,11463556,11463566,33333334,56135146,64463566,64463646,
               66666666,115613646,116366454
%N A137021 Numbers n such that n and the square of n use only the digits 1, 3, 4, 
               5 and 6.
%C A137021 Generated with DrScheme
%H A137021 Jonathan Wellons, <a href="b137021.txt">Table of n, a(n) for n=1..257</
               a>
%H A137021 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A137021 645456531561434^2 = 416614134135316445366116136356
%Y A137021 Sequence in context: A087299 A164127 A071394 this_sequence A092187 A092765 
               A056315
%Y A137021 Adjacent sequences: A137018 A137019 A137020 this_sequence A137022 A137023 
               A137024
%K A137021 base,nonn
%O A137021 1,2
%A A137021 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008