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%I #10 Dec 05 2013 19:55:17
%S 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,
%T 97,191,193,197,199,293,397,491,499,593,599,691,797,991,997,1993,1997,
%U 1999,2999,4993,4999,6991,6997,7993,8999,19991,19993,19997,49991,49993,49999
%N Primes with either no internal digits or all internal digits are 9.
%Y Cf. A069675, A069676, A069677, A069678, A069679, A069680, A069681, A069682, A069683.
%K nonn,base
%O 1,1
%A _Amarnath Murthy_, Apr 06 2002
%E Corrected by _Ray Chandler_, Nov 24 2003
%E Offset corrected and name changed by Arkadiusz Wesolowski, Sep 07 2011
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