Primes having only {0, 1, 2, 5} as digits.

Terms

a(0) =2a(1) =5a(2) =11a(3) =101a(4) =151a(5) =211a(6) =251a(7) =521a(8) =1021a(9) =1051a(10) =1151a(11) =1201a(12) =1511a(13) =2011a(14) =2111a(15) =2221a(16) =2251a(17) =2521a(18) =2551a(19) =5011a(20) =5021a(21) =5051a(22) =5101a(23) =5501a(24) =5521a(25) =10111a(26) =10151a(27) =10211a(28) =10501a(29) =11251