Numbers k such that (11^k + 5^k)/16 is prime.

A128340

Numbers k such that (11^k + 5^k)/16 is prime.

Terms

    a(0) =7a(1) =11a(2) =181a(3) =421a(4) =2297a(5) =2797a(6) =4129a(7) =4139a(8) =7151a(9) =29033

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