Lower prime of a difference of 12 between consecutive primes.

Terms

a(0) =199a(1) =211a(2) =467a(3) =509a(4) =619a(5) =661a(6) =797a(7) =997a(8) =1201a(9) =1237a(10) =1307a(11) =1459a(12) =1499a(13) =1511a(14) =1531a(15) =1709a(16) =1789a(17) =1811a(18) =1889a(19) =2069a(20) =2099a(21) =2297a(22) =2399a(23) =2447a(24) =2579a(25) =2621a(26) =2777a(27) =2927a(28) =3049a(29) =3067