Numbers k such that (18^k - 1)/17 is prime.

A133857

Numbers k such that (18^k - 1)/17 is prime.

Terms

    a(0) =2a(1) =25667a(2) =28807a(3) =142031a(4) =157051a(5) =180181a(6) =414269a(7) =1270141

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