Beginning with 7, primes of the form: least multiple of the previous term followed by a 1. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +1.

A113053

Beginning with 7, primes of the form: least multiple of the previous term followed by a 1. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +1.

Terms

    a(0) =7a(1) =71a(2) =2131a(3) =191791a(4) =5753731a(5) =575373101a(6) =17261193031a(7) =517835790931

External references