a(n) is the greatest prime > a(n-1) obtained by inserting a single digit anywhere in its string of digits (including at the beginning or end), starting with a(1) = 2.
A389722
a(n) is the greatest prime > a(n-1) obtained by inserting a single digit anywhere in its string of digits (including at the beginning or end), starting with a(1) = 2.
Terms
- a(0) =2a(1) =29a(2) =929a(3) =9929a(4) =99929a(5) =999529a(6) =9995329a(7) =99975329a(8) =999975329a(9) =9999795329a(10) =99997950329a(11) =999979590329
External references
- oeis: A389722