Primes having only {0, 1, 7} as digits.

Terms

a(0) =7a(1) =11a(2) =17a(3) =71a(4) =101a(5) =107a(6) =701a(7) =1117a(8) =1171a(9) =1777a(10) =7001a(11) =7177a(12) =7717a(13) =10007a(14) =10111a(15) =10177a(16) =10711a(17) =10771a(18) =11071a(19) =11117a(20) =11171a(21) =11177a(22) =11701a(23) =11717a(24) =11777a(25) =17011a(26) =17077a(27) =17107a(28) =17117a(29) =17707