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%I #8 Dec 05 2013 19:55:13
%S 11,211,1123,2143,112543,1124653,1234657,112345687,1123465789,
%T 10123457689,10123457689,10123457689,10123457689,10123457689,
%U 10123457689,10123457689,10123457689,10123457689,10123457689
%N Smallest prime containing all the digits of the concatenation of first n natural numbers.
%C a(n)=10123457689 for n>=10.
%e a(3) = 1123 which is the smallest prime that contains digits 1,2 and 3. a(4) = 2143.
%K nonn,less,base
%O 1,1
%A _Amarnath Murthy_, Mar 09 2002
%E More terms from _Sascha Kurz_, Mar 27 2002
%E Edited by _Charles R Greathouse IV_, Apr 28 2010
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