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%I #6 May 19 2013 12:18:40
%S 2,11,2,3,3,3,3,11,139,653,3863,5107,3,11,7,73,2,2,3,13,367,11,29,3,
%T 163,6373,2,3,3,3,31,8308475676071413,3,7,2,11,3,3,13,19,7,73,3,251,
%U 13,367,2,2,7,5,47,2,41,271,3,11,3,13,97,11,29,7,11,29,3,73,3,13,3,31,41
%N Prime substrings of prime numbers in A037272.
%C There should be an analogous sequence for A037273 (_N. J. A. Sloane_).
%K nonn
%O 0,1
%A _Jeff Burch_