Primes whose base-9 representation also is the base-4 representation of a prime.

Terms

a(0) =2a(1) =3a(2) =109a(3) =181a(4) =271a(5) =829a(6) =919a(7) =1549a(8) =1567a(9) =6661a(10) =6733a(11) =6823a(12) =8101a(13) =8191a(14) =8263a(15) =13933a(16) =14851a(17) =15319a(18) =22123a(19) =59149a(20) =59221a(21) =59239a(22) =59797a(23) =59887a(24) =61507a(25) =65629a(26) =65701a(27) =72253a(28) =72901a(29) =73819