First member of a prime triple in a 2p-1 progression.

Terms

a(0) =2a(1) =19a(2) =79a(3) =331a(4) =439a(5) =499a(6) =619a(7) =829a(8) =1069a(9) =1279a(10) =1531a(11) =2089a(12) =2131a(13) =2179a(14) =2311a(15) =2791a(16) =3019a(17) =3061a(18) =3109a(19) =3181a(20) =3769a(21) =4159a(22) =4231a(23) =4261a(24) =4621a(25) =4639a(26) =4861a(27) =4951a(28) =5419a(29) =5749