Primes containing 999 as a substring.

Terms

a(0) =1999a(1) =2999a(2) =4999a(3) =8999a(4) =13999a(5) =19991a(6) =19993a(7) =19997a(8) =25999a(9) =32999a(10) =35999a(11) =41999a(12) =49991a(13) =49993a(14) =49999a(15) =52999a(16) =56999a(17) =59999a(18) =69991a(19) =69997a(20) =70999a(21) =71999a(22) =73999a(23) =77999a(24) =79997a(25) =79999a(26) =85999a(27) =94999a(28) =98999a(29) =99901