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A127179
Primes with prime "Look And Say" descriptions from right to left (irrespective of method A or method B).
3
3, 7, 71, 103, 311, 349, 757, 1297, 1327, 1811, 1993, 1999, 3119, 3709, 7027, 7297, 7573, 7603, 7639, 7873, 7883, 7963, 9001, 9043, 9311, 9613, 9677, 10739, 11159, 11177, 13121, 13553, 13721, 13751, 14369, 14831, 14897, 14939, 14951, 15329
OFFSET
1,1
FORMULA
Intersection of A127177 and A127178.
EXAMPLE
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.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Jan 07 2007
EXTENSIONS
Extended by Ray Chandler, Jan 16 2007
STATUS
approved