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%I #6 Jul 18 2013 18:35:38
%S 23252729,77798183,115117119121,197199201203,211213215217,
%T 221223225227,227229231233,265267269271,281283285287,311313315317,
%U 317319321323,343345347349,373375377379,397399401403,403405407409,433435437439
%N Primes concatenated from four consecutive odd numbers.
%H Harvey P. Dale, <a href="/A105238/b105238.txt">Table of n, a(n) for n = 1..1000</a>
%F For positive n: {Concatenate((2n+1), (2n+3), (2n+5), (2n+7))} Intersect {Primes A000040}.
%t Select[FromDigits/@(Flatten[IntegerDigits[#]]&/@Partition[Range[ 1,501,2],4,1]),PrimeQ] (* _Harvey P. Dale_, Jul 18 2013 *)
%Y Cf. A000040, A032625.
%K base,easy,nonn
%O 1,1
%A _Jonathan Vos Post_, Apr 12 2005
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