Primes having only {0, 1, 4, 6} as digits.

Terms

a(0) =11a(1) =41a(2) =61a(3) =101a(4) =401a(5) =461a(6) =601a(7) =641a(8) =661a(9) =1061a(10) =1601a(11) =4001a(12) =4111a(13) =4441a(14) =6011a(15) =6101a(16) =6661a(17) =10061a(18) =10111a(19) =10141a(20) =10601a(21) =11161a(22) =11411a(23) =14011a(24) =14401a(25) =14411a(26) =14461a(27) =16001a(28) =16061a(29) =16111