Numbers k such that 7*10^k - 69 is prime.

Terms

a(0) =2a(1) =4a(2) =5a(3) =12a(4) =29a(5) =34a(6) =53a(7) =56a(8) =161a(9) =287a(10) =312a(11) =436a(12) =468a(13) =672a(14) =1316a(15) =1642a(16) =2814a(17) =4171a(18) =6409a(19) =6657a(20) =7914a(21) =9259a(22) =9997a(23) =21253a(24) =29180a(25) =37246a(26) =47936a(27) =48816a(28) =49580a(29) =92414