Primes p such that 11*p is the concatenation of an emirp and its reverse.
A345905
Primes p such that 11*p is the concatenation of an emirp and its reverse.
Terms
- a(0) =283a(1) =647a(2) =727a(3) =9791a(4) =10301a(5) =14341a(6) =16361a(7) =18181a(8) =28283a(9) =30703a(10) =63737a(11) =67577a(12) =69197a(13) =69997a(14) =88289a(15) =89399a(16) =939391a(17) =997991a(18) =1003001a(19) =1145411a(20) =1163611a(21) =1201021a(22) =1337431a(23) =1363631a(24) =1452541a(25) =2745373a(26) =2809073a(27) =2881783a(28) =2961593a(29) =3001003
External references
- oeis: A345905