A127176 Primes with prime "Look And Say" descriptions from left to right (irrespective of method A or method B).

3, 7, 17, 23, 113, 137, 193, 271, 431, 479, 587, 691, 757, 809, 829, 1009, 1123, 1181, 1459, 2089, 2111, 2131, 2243, 2273, 2473, 2617, 2671, 3067, 3169, 3607, 3697, 4567, 4603, 5059, 5407, 5749, 6007, 6037, 6449, 6607, 6673, 7207, 7669, 7927, 8089, 8849

Offset: 1

Author

Lekraj Beedassy, Jan 07 2007

Keywords

• base
• nonn

Examples

			137 and 1123, for instance, belong to the sequence because their respective descriptions 111317 (one 1, one 3, one 7) or 113171 (1 once, 3 once 7 once) and 211213 (two 1's, one 2, one 3) or 122131 (1 twice, 2 once, 3 once) are all primes.
		

Crossrefs

Cf. A056815, A127175.

Formula

Intersection of A056815 and A127175.

Extensions

Corrected and extended by Ray Chandler, Jan 08 2007