Primes having only {0, 5, 7, 9} as digits.

Terms

a(0) =5a(1) =7a(2) =59a(3) =79a(4) =97a(5) =509a(6) =557a(7) =577a(8) =599a(9) =709a(10) =757a(11) =797a(12) =907a(13) =977a(14) =997a(15) =5009a(16) =5059a(17) =5077a(18) =5099a(19) =5507a(20) =5557a(21) =5779a(22) =7057a(23) =7079a(24) =7507a(25) =7559a(26) =7577a(27) =7757a(28) =7759a(29) =7907