Numbers k such that k, k+2, k+4, k+6, k+8 are semiprimes.

Terms

a(0) =213a(1) =1133a(2) =1343a(3) =1383a(4) =1385a(5) =1835a(6) =1937a(7) =2315a(8) =2807a(9) =3091a(10) =3093a(11) =3095a(12) =3147a(13) =3977a(14) =4313a(15) =4529a(16) =4835a(17) =5089a(18) =5609a(19) =5611a(20) =6185a(21) =6533a(22) =7141a(23) =8129a(24) =8131a(25) =8133a(26) =8135a(27) =9753a(28) =9755a(29) =9983