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

Terms

a(0) =0a(1) =5a(2) =16a(3) =24a(4) =36a(5) =54a(6) =124a(7) =96a(8) =164a(9) =240a(10) =300a(11) =360a(12) =432a(13) =354a(14) =528a(15) =714a(16) =833a(17) =714a(18) =1112a(19) =960a(20) =1288a(21) =1632a(22) =1836a(23) =2052a(24) =2052a(25) =2052a(26) =2529a(27) =2529a(28) =2810a(29) =3110