Record indices of the ratio A002375(n) / n (Goldbach conjecture related).

Terms

a(0) =3a(1) =4a(2) =6a(3) =14a(4) =16a(5) =19a(6) =31a(7) =34a(8) =64a(9) =163a(10) =166a(11) =199a(12) =316a(13) =496a(14) =706a(15) =859a(16) =1024a(17) =1126a(18) =1321a(19) =1336a(20) =2206a(21) =2539a(22) =2644a(23) =2719a(24) =2734a(25) =2974a(26) =3646a(27) =3754a(28) =3931a(29) =4021