Primes that end in 999.

Terms

a(0) =1999a(1) =2999a(2) =4999a(3) =8999a(4) =13999a(5) =25999a(6) =32999a(7) =35999a(8) =41999a(9) =49999a(10) =52999a(11) =56999a(12) =59999a(13) =70999a(14) =71999a(15) =73999a(16) =77999a(17) =79999a(18) =85999a(19) =94999a(20) =98999a(21) =100999a(22) =101999a(23) =104999a(24) =107999a(25) =133999a(26) =134999a(27) =136999a(28) =137999a(29) =139999