Primes whose base-4 representation also is the base 2-representation of a prime.

Terms

a(0) =5a(1) =17a(2) =257a(3) =277a(4) =337a(5) =1093a(6) =1109a(7) =1297a(8) =1361a(9) =4357a(10) =5189a(11) =16453a(12) =16657a(13) =16661a(14) =17489a(15) =17669a(16) =17681a(17) =17749a(18) =21521a(19) =21569a(20) =21589a(21) =65537a(22) =65557a(23) =65617a(24) =65809a(25) =66821a(26) =70657a(27) =70981a(28) =70997a(29) =81937