Initial values of 8 semiprimes in arithmetic progression with common difference 4.

Terms

a(0) =5989a(1) =15673a(2) =263029a(3) =445189a(4) =480253a(5) =648769a(6) =668353a(7) =992029a(8) =1096753a(9) =1246873a(10) =1288273a(11) =1648633a(12) =1849999a(13) =2224003a(14) =2248393a(15) =2362603a(16) =2484373a(17) =3158383a(18) =3590419a(19) =3787879a(20) =5334403a(21) =5496529a(22) =6519019a(23) =6718603a(24) =6919573a(25) =6968281a(26) =7148083a(27) =7397779a(28) =8138119a(29) =9157333