Palindromic primes in which a single digit is sandwiched between strings of 7's.
A088283
Palindromic primes in which a single digit is sandwiched between strings of 7's.
Terms
- a(0) =727a(1) =757a(2) =787a(3) =797a(4) =77377a(5) =77477a(6) =77977a(7) =7772777a(8) =7774777a(9) =7778777a(10) =777767777a(11) =77777677777
External references
- oeis: A088283