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%I #4 Dec 05 2013 19:56:37
%S 1,3,11,13,17,7,111,23,9,19,27,43,33,29,31,41,37,21,53,51,47,39,73,
%T 107,49,59,57,61,71,63,79,77,67,87,97,81,89,103,69,109,93,113,99,1019,
%U 123,131,117,101,1017,139,173,91,137,171,127,143,141,83,181,119,151,129,133
%N Beginning with 1, distinct numbers such that concatenation a(n+1), a(n), a(n+1) is a prime.
%e 313,11311,131113 etc. are all primes.
%Y Cf. A090261.
%K base,nonn
%O 1,2
%A _Amarnath Murthy_, Nov 28 2003
%E More terms from _David Wasserman_, Apr 22 2004
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