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 A164061 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 (A164062) is also prime. 1

%I

%S 2,3,5,19,139,149,311,6827,7949,27743,29663,29759,31249,101281,124213,

%T 130729,135271,169691,177019,361967,508009,568439,815351

%N 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 (A164062) is also prime.

%e 3^3 - 5^2 = 2, 3 + 3 + 5 + 2 = 13; 2^7 - 5^3 = 3, 2 + 7 + 5 + 3 = 17; 2^5 - 3^3 = 5, 2 + 5 + 3 + 3 = 13; 3^3 - 2^3 = 19, 3 + 3 + 2 + 3 = 11;

%K nonn

%O 1,1

%A _Oleg Zyakun_, Aug 12 2009

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Last modified February 2 15:52 EST 2023. Contains 360022 sequences. (Running on oeis4.)