Smallest prime ending (through <*2+1> or/and <*2-1>) a complete Cunningham chain (of the first or the second kind) of length n.

A110093

Smallest prime ending (through <*2+1> or/and <*2-1>) a complete Cunningham chain (of the first or the second kind) of length n.

Terms

    a(0) =11a(1) =7a(2) =5a(3) =4079a(4) =47a(5) =2879a(6) =1065601

External references