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Primes with prime "Look And Say" descriptions from right to left (irrespective of method A or method B).
3

%I #5 Mar 31 2012 10:26:06

%S 3,7,71,103,311,349,757,1297,1327,1811,1993,1999,3119,3709,7027,7297,

%T 7573,7603,7639,7873,7883,7963,9001,9043,9311,9613,9677,10739,11159,

%U 11177,13121,13553,13721,13751,14369,14831,14897,14939,14951,15329

%N Primes with prime "Look And Say" descriptions from right to left (irrespective of method A or method B).

%F Intersection of A127177 and A127178.

%e 71 and 311, for instance, belongs to the sequence because their respective descriptions 1117 (one 1, one 7) or 1171 (1 once, 7 once) and 2113 (two 1's, one 3) or 1231 (1 twice, 3 once) are all primes.

%Y Cf. A127177, A127179, A127176.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Jan 07 2007

%E Extended by _Ray Chandler_, Jan 16 2007