a(n) is the largest n-digit palindromic integer surrounded by twin primes, if one exists, or 0 otherwise.
A218343
a(n) is the largest n-digit palindromic integer surrounded by twin primes, if one exists, or 0 otherwise.
Terms
- a(0) =6a(1) =0a(2) =858a(3) =2112a(4) =89898a(5) =276672a(6) =8916198a(7) =89522598a(8) =898373898a(9) =8998558998a(10) =89984248998a(11) =899931139998
External references
- oeis: A218343