a(n) = prime(10*n - 4).

Terms

a(0) =13a(1) =53a(2) =101a(3) =151a(4) =199a(5) =263a(6) =317a(7) =383a(8) =443a(9) =503a(10) =577a(11) =641a(12) =701a(13) =769a(14) =839a(15) =911a(16) =983a(17) =1049a(18) =1109a(19) =1193a(20) =1277a(21) =1321a(22) =1429a(23) =1487a(24) =1559a(25) =1619a(26) =1699a(27) =1783a(28) =1871a(29) =1949