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%I #9 Aug 25 2014 11:56:20
%S 2,5,29,59,37,17,193,59,167,149,103,563,109,107,149,317,409,829,283,
%T 263,467,107,89,3181,313,113,431,521,739,577,487,617,1601,937,167,991,
%U 2699,293,1481,3593,4943,593,541,673,241,719,1217,449,421,1667,337,353,1297
%N Smallest prime p such that the backward concatenation of n consecutive decreasing primes starting with p is a prime.
%e a(3) = 29 as the concatenation of 29,23 and 19, i.e. 292319, is a prime.
%t bcpQ[n_]:=PrimeQ[FromDigits[Flatten[IntegerDigits/@Reverse[n]]]]; With[{prs = Prime[ Range[10000]]},Table[Select[Partition[prs,n,1],bcpQ,1][[1,-1]],{n,60}]] (* _Harvey P. Dale_, Aug 12 2013 *)
%Y Cf. A083471.
%K base,nonn
%O 1,1
%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 02 2003
%E More terms from _David Wasserman_, Nov 15 2004