Numbers k such that (17*10^k + 13)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =10a(5) =13a(6) =15a(7) =20a(8) =22a(9) =33a(10) =34a(11) =108a(12) =117a(13) =130a(14) =193a(15) =273a(16) =280a(17) =654a(18) =775a(19) =1144a(20) =4014a(21) =4015a(22) =7701a(23) =10356a(24) =11478a(25) =12427a(26) =15075a(27) =44107a(28) =102597a(29) =118635