Integers k such that 10^k + 61 is a prime number.

Terms

a(0) =1a(1) =3a(2) =4a(3) =10a(4) =12a(5) =16a(6) =33a(7) =696a(8) =739a(9) =1764a(10) =2577a(11) =3198a(12) =4242a(13) =11104a(14) =18081a(15) =19587a(16) =20799a(17) =22986a(18) =92178