Palindromic primes that yield a prime when sandwiched between two 1's. (Prefixing and suffixing a 1 on both sides yields another palindromic prime.)

A088269

Palindromic primes that yield a prime when sandwiched between two 1's. (Prefixing and suffixing a 1 on both sides yields another palindromic prime.)

Terms

    a(0) =3a(1) =5a(2) =131a(3) =383a(4) =797a(5) =11411a(6) =16061a(7) =16361a(8) =19391a(9) =33533a(10) =36263a(11) =73037a(12) =75557a(13) =79397a(14) =1074701a(15) =1126211a(16) =1145411a(17) =1175711a(18) =1221221a(19) =1243421a(20) =1287821a(21) =1303031a(22) =1311131a(23) =1328231a(24) =1363631a(25) =1489841a(26) =1579751a(27) =1600061a(28) =1707071a(29) =1748471

External references