Balanced primes (A090403) of index 4.

Terms

a(0) =157a(1) =353a(2) =8233a(3) =23893a(4) =26183a(5) =30197a(6) =63697a(7) =118831a(8) =131041a(9) =150203a(10) =152213a(11) =167033a(12) =198013a(13) =293087a(14) =341303a(15) =383983a(16) =494051a(17) =494723a(18) =534007a(19) =551569a(20) =601949a(21) =603541a(22) =629203a(23) =666697a(24) =671287a(25) =679417a(26) =688907a(27) =768203a(28) =787207a(29) =796867