**Prime p1 of the form a^b + c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164078) is prime and conc(abcd) = p3 (concatenation of a, b, c , d) is also prime (A164079).**

*3253, 24517, 78157, 366103, 548677, 705097, 1030429, 1229257, 5735467*

*1 seqfan posts*

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

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