Primes whose decimal expansion has the form XYYYX, for nonzero numbers X and Y, where Y is a single digit.
A162423
Primes whose decimal expansion has the form XYYYX, for nonzero numbers X and Y, where Y is a single digit.
Terms
- a(0) =13331a(1) =15551a(2) =16661a(3) =19991a(4) =72227a(5) =75557a(6) =76667a(7) =78887a(8) =79997a(9) =1177711a(10) =1333313a(11) =1355513a(12) =1377713a(13) =1399913a(14) =1711117a(15) =1755517a(16) =1766617a(17) =1777717a(18) =1966619a(19) =1977719a(20) =2311123a(21) =2333323a(22) =2922229a(23) =2944429a(24) =2955529a(25) =2977729a(26) =3111131
External references
- oeis: A162423