Semiprimes that are the sum of the first n semiprimes for some n.

Terms

a(0) =4a(1) =10a(2) =58a(3) =185a(4) =219a(5) =254a(6) =377a(7) =589a(8) =843a(9) =917a(10) =1247a(11) =1707a(12) =2157a(13) =2519a(14) =2642a(15) =2771a(16) =3755a(17) =4227a(18) =5078a(19) =5633a(20) =6433a(21) =6638a(22) =7053a(23) =9031a(24) =15469a(25) =16109a(26) =17414a(27) =18763a(28) =19109a(29) =21281