Sum of all numbers from 2*n-1 up to prime(n).

Terms

a(0) =3a(1) =3a(2) =5a(3) =7a(4) =30a(5) =36a(6) =75a(7) =85a(8) =140a(9) =264a(10) =286a(11) =450a(12) =561a(13) =595a(14) =722a(15) =966a(16) =1242a(17) =1296a(18) =1612a(19) =1815a(20) =1881a(21) =2257a(22) =2496a(23) =2924a(24) =3577a(25) =3876a(26) =3978a(27) =4293a(28) =4399a(29) =4730