Prime(n) and prime(n+4) use the same digits.

Terms

a(0) =179a(1) =1091a(2) =1213a(3) =1279a(4) =3313a(5) =3637a(6) =4273a(7) =6637a(8) =8237a(9) =8293a(10) =8537a(11) =9137a(12) =9613a(13) =10937a(14) =12071a(15) =14071a(16) =15137a(17) =19237a(18) =19937a(19) =20639a(20) =21013a(21) =22817a(22) =22937a(23) =24091a(24) =24317a(25) =26713a(26) =28439a(27) =29137a(28) =29837a(29) =31379