Primes of the form abcabc..abcab.

Terms

a(0) =11311a(1) =11411a(2) =13313a(3) =13513a(4) =13613a(5) =13913a(6) =17117a(7) =17317a(8) =17417a(9) =19219a(10) =19319a(11) =19819a(12) =19919a(13) =21121a(14) =21221a(15) =21521a(16) =21821a(17) =23623a(18) =27127a(19) =27427a(20) =27527a(21) =27827a(22) =29129a(23) =29429a(24) =29629a(25) =31231a(26) =31531a(27) =33533a(28) =37337a(29) =37537