Next prime after concatenate of n, n times (A000461).

A276025

Next prime after concatenate of n, n times (A000461).

Terms

    a(0) =2a(1) =23a(2) =337a(3) =4447a(4) =55579a(5) =666667a(6) =7777801a(7) =88888901a(8) =1000000007

External references