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

Terms

a(0) =2131a(1) =2311a(2) =6211a(3) =7411a(4) =10321a(5) =18121a(6) =22531a(7) =23011a(8) =24391a(9) =29671a(10) =31771a(11) =35311a(12) =41491a(13) =46411a(14) =54601a(15) =56311a(16) =60331a(17) =61381a(18) =67651a(19) =78031a(20) =85381a(21) =96931a(22) =99871a(23) =109471a(24) =126001a(25) =134731a(26) =156691a(27) =162451a(28) =165331a(29) =170851