Primes having only {0, 1, 4, 5} as digits.

Terms

a(0) =5a(1) =11a(2) =41a(3) =101a(4) =151a(5) =401a(6) =541a(7) =1051a(8) =1151a(9) =1451a(10) =1511a(11) =4001a(12) =4051a(13) =4111a(14) =4441a(15) =4451a(16) =5011a(17) =5051a(18) =5101a(19) =5441a(20) =5501a(21) =10111a(22) =10141a(23) =10151a(24) =10501a(25) =11411a(26) =11551a(27) =14011a(28) =14051a(29) =14401