Primes whose binary and ternary representations are also prime when read in decimal.

Terms

a(0) =157a(1) =199a(2) =229a(3) =313a(4) =367a(5) =523a(6) =883a(7) =1483a(8) =2683a(9) =2971a(10) =3109a(11) =3253a(12) =3637a(13) =4093a(14) =4357a(15) =4363a(16) =4729a(17) =4951a(18) =5119a(19) =5827a(20) =6529a(21) =9241a(22) =10909a(23) =11527a(24) =13477a(25) =15271a(26) =15919a(27) =18439a(28) =19273a(29) =19483