Smallest prime ending in exactly n 7's.

A065581

Smallest prime ending in exactly n 7's.

Terms

    a(0) =7a(1) =277a(2) =1777a(3) =47777a(4) =2477777a(5) =16777777a(6) =137777777a(7) =577777777a(8) =1777777777a(9) =67777777777a(10) =377777777777

External references