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%I #5 Dec 05 2013 19:56:33
%S 2,5,131,191,797,11411,15551,30203,31013,32423,36263,36563,38183,
%T 39293,72227,74747,77477,94349,94949,1003001,1055501,1074701,1085801,
%U 1120211,1123211,1153511,1178711,1183811,1221221,1311131,1317131,1363631
%N Palindromic primes that yield a prime when sandwiched between two 7's. (Prefixing and suffixing a 'seven' on both sides yields another pal prime).
%e 191 is a member as 71917 is also a prime.
%Y Cf. A088269, A088270, A088272.
%K base,nonn
%O 1,1
%A _Amarnath Murthy_, Sep 28 2003
%E More terms from _David Wasserman_, Jul 28 2005
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