Sum of first n isolated (or single) primes A007510.

Terms

a(0) =2a(1) =25a(2) =62a(3) =109a(4) =162a(5) =229a(6) =308a(7) =391a(8) =480a(9) =577a(10) =690a(11) =817a(12) =948a(13) =1105a(14) =1268a(15) =1435a(16) =1608a(17) =1819a(18) =2042a(19) =2275a(20) =2526a(21) =2783a(22) =3046a(23) =3323a(24) =3616a(25) =3923a(26) =4240a(27) =4571a(28) =4908a(29) =5261