Primes which are a sandwich of numbers using at most one digit between two 1's.
A068685
Primes which are a sandwich of numbers using at most one digit between two 1's.
Terms
- a(0) =11a(1) =101a(2) =131a(3) =151a(4) =181a(5) =191a(6) =13331a(7) =15551a(8) =16661a(9) =19991a(10) =1333331a(11) =1444441a(12) =1777771a(13) =188888881a(14) =199999991
External references
- oeis: A068685