Numbers k such that (7*10^k + 179)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =7a(4) =8a(5) =36a(6) =41a(7) =46a(8) =74a(9) =76a(10) =88a(11) =103a(12) =115a(13) =188a(14) =194a(15) =257a(16) =310a(17) =399a(18) =511a(19) =515a(20) =776a(21) =1134a(22) =1404a(23) =6545a(24) =6569a(25) =17600a(26) =22209a(27) =24397a(28) =24842a(29) =46957