Upper prime of a difference of 6 between consecutive primes.

Terms

a(0) =29a(1) =37a(2) =53a(3) =59a(4) =67a(5) =79a(6) =89a(7) =137a(8) =157a(9) =163a(10) =173a(11) =179a(12) =239a(13) =257a(14) =263a(15) =269a(16) =277a(17) =337a(18) =359a(19) =373a(20) =379a(21) =389a(22) =439a(23) =449a(24) =509a(25) =547a(26) =563a(27) =569a(28) =577a(29) =593