Sum of primes q with prime(n) < q < 2*prime(n).

Terms

a(0) =3a(1) =5a(2) =7a(3) =24a(4) =49a(5) =59a(6) =102a(7) =120a(8) =181a(9) =252a(10) =341a(11) =515a(12) =553a(13) =593a(14) =635a(15) =883a(16) =1153a(17) =1092a(18) =1283a(19) =1488a(20) =1415a(21) =1793a(22) =1873a(23) =2124a(24) =2771a(25) =3066a(26) =2963a(27) =3067a(28) =2958a(29) =3068