Search: id:A058443
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%I A058443
%S A058443 2,3,7,97,212,997,3148,9997,20102,99997,999997,2001002,3074003,9999997,
%T A058443 99999997,200010002,999999997,9999999997,20000100002,99999999997,
%U A058443 953671853653,999999999997,2000001000002,2118984413357,2121179131852
%N A058443 Numbers n such that n^2 contains only digits {0,4,9}, not ending with 
               zero.
%H A058443 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058443 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm#049">Sporadic tridigital solutions</a>
%Y A058443 Cf. A058444.
%Y A058443 Sequence in context: A053964 A062578 A062529 this_sequence A163152 A088120 
               A111870
%Y A058443 Adjacent sequences: A058440 A058441 A058442 this_sequence A058444 A058445 
               A058446
%K A058443 nonn,base
%O A058443 1,1
%A A058443 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.

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