Partial sums of primes that are not Chen primes (starting with 1).

Terms

a(0) =1a(1) =44a(2) =105a(3) =178a(4) =257a(5) =354a(6) =457a(7) =608a(8) =771a(9) =944a(10) =1137a(11) =1360a(12) =1589a(13) =1830a(14) =2101a(15) =2378a(16) =2661a(17) =2974a(18) =3305a(19) =3654a(20) =4021a(21) =4394a(22) =4777a(23) =5174a(24) =5595a(25) =6028a(26) =6467a(27) =6924a(28) =7387a(29) =7910