Numbers n such that n*5^n - 1 is prime.

A059676

Numbers n such that n*5^n - 1 is prime.

Terms

    a(0) =8a(1) =14a(2) =42a(3) =384a(4) =564a(5) =4256a(6) =6368a(7) =21132a(8) =27180a(9) =96584a(10) =349656a(11) =545082

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