Prime numbers p such that p^2 - 1 has exactly one distinct prime factor other than 2 and 3.

Terms

a(0) =11a(1) =13a(2) =19a(3) =23a(4) =31a(5) =37a(6) =47a(7) =53a(8) =73a(9) =97a(10) =107a(11) =127a(12) =163a(13) =193a(14) =257a(15) =383a(16) =487a(17) =577a(18) =863a(19) =1153a(20) =2593a(21) =2917a(22) =4373a(23) =8747a(24) =995327a(25) =1492993a(26) =1990657a(27) =5308417a(28) =28311553a(29) =86093443