Primes > 1000 in which every substring of lengths 2 and 3 are also prime.

Terms

a(0) =1373a(1) =3137a(2) =3797a(3) =6131a(4) =6173a(5) =6197a(6) =9719a(7) =11311a(8) =11317a(9) =17971a(10) =31379a(11) =61379a(12) =71971a(13) =113131a(14) =113173a(15) =113797a(16) =131311a(17) =131317a(18) =131797a(19) =179719a(20) =317971a(21) =431311a(22) =431797a(23) =617971a(24) =1131131a(25) =1131379a(26) =1311311a(27) =1313797a(28) =1317971a(29) =3131137