Numbers k such that (14^k + 1)/15 is a prime.

A057180

Numbers k such that (14^k + 1)/15 is a prime.

Terms

    a(0) =7a(1) =53a(2) =503a(3) =1229a(4) =22637a(5) =1091401a(6) =1385203a(7) =1522841a(8) =2307467

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