**Prime p2 of the sequence A164063: a^b - c^d = p1 (A164063), where a, b, c, d are primes and a + b + c + d = p2, where p2 is prime and conc(abcd) = p3 (concatenation of a, b, c , d) is also prime (A164065).**

*17, 11, 47, 43, 53, 29, 2*

*1 seqfan posts*

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

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