Numbers k such that (134*10^k + 7)/3 is prime.

Terms

a(0) =0a(1) =1a(2) =6a(3) =13a(4) =18a(5) =28a(6) =40a(7) =45a(8) =50a(9) =70a(10) =101a(11) =210a(12) =248a(13) =298a(14) =1246a(15) =1340a(16) =1586a(17) =2466a(18) =6548a(19) =6713a(20) =7394a(21) =23904a(22) =32450a(23) =38171a(24) =39120a(25) =67816a(26) =108610a(27) =112400a(28) =129038