Numbers k such that k^2 + k + 7 is prime.

Terms

a(0) =0a(1) =2a(2) =3a(3) =5a(4) =8a(5) =9a(6) =11a(7) =12a(8) =17a(9) =18a(10) =24a(11) =26a(12) =29a(13) =30a(14) =32a(15) =33a(16) =38a(17) =39a(18) =44a(19) =50a(20) =51a(21) =57a(22) =59a(23) =65a(24) =71a(25) =74a(26) =86a(27) =89a(28) =92a(29) =95