Primes whose base-8 representation also is the base-3 representation of a prime.

Terms

a(0) =2a(1) =17a(2) =73a(3) =521a(4) =577a(5) =593a(6) =1097a(7) =1153a(8) =4177a(9) =8713a(10) =33353a(11) =33857a(12) =37889a(13) =41617a(14) =65537a(15) =65609a(16) =69697a(17) =70289a(18) =70793a(19) =74897a(20) =262153a(21) =262657a(22) =266369a(23) =331777a(24) =331921a(25) =336529a(26) =336977a(27) =529489a(28) =533129a(29) =533633