Numbers k such that (14*10^k + 79)/3 is prime.

Terms

a(0) =0a(1) =1a(2) =6a(3) =7a(4) =8a(5) =10a(6) =19a(7) =22a(8) =42a(9) =48a(10) =100a(11) =190a(12) =298a(13) =535a(14) =768a(15) =1003a(16) =1904a(17) =7512a(18) =26725a(19) =27517a(20) =33676a(21) =74540