Numbers k such that (11^k - 3^k)/8 is prime.

A128027

Numbers k such that (11^k - 3^k)/8 is prime.

Terms

    a(0) =3a(1) =5a(2) =19a(3) =31a(4) =367a(5) =389a(6) =431a(7) =2179a(8) =10667a(9) =13103a(10) =90397

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