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A253166 Numbers n such that n^k+15, with k=1..7, are all prime. 1

%I #12 Mar 20 2015 17:00:33

%S 599921326,1107778868,2011251698,3589612642,4811175086,6153188512

%N Numbers n such that n^k+15, with k=1..7, are all prime.

%C No term (yet) with n^8 + 15 prime.

%Y Subsequence of A252783.

%Y Cf. A253143, A253142, A086303, A121982.

%K nonn,more

%O 1,1

%A _Zak Seidov_, Dec 28 2014

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Last modified August 12 09:35 EDT 2024. Contains 375092 sequences. (Running on oeis4.)