Numbers k such that 3*10^k - 49 is prime.

Terms

a(0) =2a(1) =5a(2) =6a(3) =10a(4) =16a(5) =29a(6) =35a(7) =82a(8) =107a(9) =170a(10) =185a(11) =204a(12) =223a(13) =226a(14) =388a(15) =512a(16) =1586a(17) =2137a(18) =3182a(19) =7325a(20) =7346a(21) =8143a(22) =8746a(23) =11322a(24) =11497a(25) =13279a(26) =44681a(27) =108624a(28) =183872