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%I
%S 7,3,9,17,19,9,93,29,69,27,37,33,57,41,31,167,111,1,3,267,119,87,121,
%T 671,363,393,87,241,131,151,29,21,277,273,219,119,517,251,433,93,39,
%U 731,1593,321,579,279,687,691,629,939,943,831,513,449,1813,413,187,947,79
%N a(1) = 7; then numbers such that the concatenation a(n)a(n-1)...a(2)a(1)a(2)...a(n-1)a(n) is a prime.
%Y Cf. A083996, A083997, A083998, A083999, A084001.
%K base,nonn
%O 0,1
%A Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 23 2003
%E More terms from _Ray Chandler_, Aug 03 2003
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