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) = 5.
A389725
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) = 5.
Terms
- a(0) =5a(1) =59a(2) =859a(3) =9859a(4) =99859a(5) =998759a(6) =9987569a(7) =99887569a(8) =998987569a(9) =9989875697a(10) =99989875697a(11) =999989875697
External references
- oeis: A389725