List of pairs of primes in reverse order, starting at 1.

Terms

a(0) =21a(1) =53a(2) =117a(3) =1713a(4) =2319a(5) =3129a(6) =4137a(7) =4743a(8) =5953a(9) =6761a(10) =7371a(11) =8379a(12) =9789a(13) =103101a(14) =109107a(15) =127113a(16) =137131a(17) =149139a(18) =157151a(19) =167163a(20) =179173a(21) =191181a(22) =197193a(23) =211199a(24) =227223a(25) =233229a(26) =241239a(27) =257251a(28) =269263a(29) =277271