a(n) = pi(n) * (Sum_{n <= q < 2n, q prime} q) + (pi(2n-1) - pi(n-1)) * (Sum_{p <= n, p prime} p).

Terms

a(0) =0a(1) =9a(2) =26a(3) =34a(4) =56a(5) =74a(6) =175a(7) =130a(8) =215a(9) =308a(10) =412a(11) =472a(12) =596a(13) =477a(14) =692a(15) =919a(16) =1123a(17) =946a(18) =1497a(19) =1268a(20) =1673a(21) =2094a(22) =2436a(23) =2652a(24) =2652a(25) =2652a(26) =3229a(27) =3229a(28) =3713a(29) =4013