Least prime in A023200 (lesser of 4-twins) such that the distance to the next 4-twin is 6*n.

Terms

a(0) =7a(1) =67a(2) =19a(3) =43a(4) =163a(5) =127a(6) =397a(7) =229a(8) =769a(9) =1489a(10) =673a(11) =9547a(12) =1009a(13) =1783a(14) =1693a(15) =2857a(16) =11677a(17) =23869a(18) =499a(19) =1093a(20) =4003a(21) =28657a(22) =10459a(23) =29383a(24) =12487a(25) =6043a(26) =41647a(27) =7039a(28) =17029a(29) =19207