Palindromes which are the product of 6 distinct primes.

Terms

a(0) =222222a(1) =282282a(2) =474474a(3) =555555a(4) =606606a(5) =646646a(6) =969969a(7) =2040402a(8) =2065602a(9) =2206022a(10) =2417142a(11) =2646462a(12) =2673762a(13) =2875782a(14) =3262623a(15) =3309033a(16) =4179714a(17) =4192914a(18) =4356534a(19) =4585854a(20) =4912194a(21) =5021205a(22) =5169615a(23) =5174715a(24) =5578755