Integers k such that 10^k + 69 is a prime number.

Terms

a(0) =1a(1) =3a(2) =4a(3) =5a(4) =10a(5) =11a(6) =16a(7) =35a(8) =49a(9) =69a(10) =119a(11) =223a(12) =400a(13) =775a(14) =1003a(15) =1523a(16) =2225a(17) =6793a(18) =7018a(19) =13600a(20) =76801