[seqfan] defn of A179920 primes with only one embedded prime

[Richard Mathar]

What is the essence of the difference between these two:
http://oeis.org/classic/?q=id:A179920|id:A033274
2,3,5,7,11,19,41,61,89,101,109,149,181,401,409,449,491,499,601,691,809,881,991,1009,1049,1069,1481,1609,1669,1699,1801,4001,4049,4481,4649,4801,4909,4969,6091,6469,6481,6869,6949,8009,8069,8081,8609,8669,8681,

2,3,5,7,11,19,41,61,89,101,109,149,181,401,409,449,491,499,601,691,809,881,991,1009,1049,1069,1481,1609,1669,1699,1801,4001,4049,4481,4649,4801,4909,4969,6091,6469,6481,6869,6949,8009,8069,8081,8609,8669,8681,

Because A179920 contains a cross-reference to A033274, this does not seem
to be just another duplicate, but I cannot figure out from the definitions
at which place the two sequences would differ.

RJM