Smallest n-digit prime containing only the digits 5 and 9, or 0 if no such prime exists.

A036947

Smallest n-digit prime containing only the digits 5 and 9, or 0 if no such prime exists.

Terms

    a(0) =5a(1) =59a(2) =599a(3) =0a(4) =59999a(5) =599959a(6) =5595559a(7) =55555559a(8) =555555599a(9) =5555555959a(10) =55555595999a(11) =555555555559

External references