Palindromic primes in which deleting the outside pair of digits yields a prime at every stage until finally a single-digit prime is obtained.
A071119
Palindromic primes in which deleting the outside pair of digits yields a prime at every stage until finally a single-digit prime is obtained.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =131a(5) =151a(6) =353a(7) =373a(8) =727a(9) =757a(10) =929a(11) =11311a(12) =31513a(13) =33533a(14) =37273a(15) =37573a(16) =39293a(17) =71317a(18) =93739a(19) =97579a(20) =1335331a(21) =3315133a(22) =3392933a(23) =7392937a(24) =9375739a(25) =373929373a(26) =733929337
External references
- oeis: A071119