**Prime p3 of the sequence A164077: a^b + c^d = p1 (A164077), where a, b, c, d are primes and a + b + c + d = p2 (A164078), where p2 is prime and conc(abcd) = p3 (concatenation of a, b, c , d) is also prime.**

*5527, 29327, 2557, 213713, 219293, 2789*

*1 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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