a(n) is the first prime that starts and ends with at least n 1's (in base 10).

A366416

a(n) is the first prime that starts and ends with at least n 1's (in base 10).

Terms

    a(0) =11a(1) =11a(2) =1114111a(3) =111181111a(4) =111110611111

External references