%I
%S 2,13,223,2333,44449,555557,16666669,77767777,888888883,9199999999,
%T 1011010101010101010109,11111111111111111111117,
%U 12112121212121212121212127,131131313131313131313131313
%N a(n) = smallest prime that can be written in base 10 using just n n's.
%C For n > 9 the smallest prime obtained by inserting digits between the n's.
%e The smallest prime containing no 0's is 2, so a(0) = 2.
%K nonn,base
%O 0,1
%A _Amarnath Murthy_, Mar 24 2002
%E Edited, corrected and extended by _Robert G. Wilson v_, Mar 27 2002
