Smallest primes starting a complete three iterations Cunningham chain of the first or second kind.

Terms

a(0) =509a(1) =1229a(2) =1409a(3) =2131a(4) =2311a(5) =2699a(6) =3539a(7) =6211a(8) =6449a(9) =7411a(10) =10321a(11) =10589a(12) =11549a(13) =11909a(14) =12119a(15) =17159a(16) =18121a(17) =19709a(18) =19889a(19) =22349a(20) =22531a(21) =23011a(22) =24391a(23) =26189a(24) =27479a(25) =29671a(26) =30389a(27) =31771a(28) =35311a(29) =41491