Primes of the form k^2 - 7*k + 7.

Terms

a(0) =7a(1) =37a(2) =67a(3) =127a(4) =151a(5) =337a(6) =457a(7) =547a(8) =751a(9) =1051a(10) =1117a(11) =1327a(12) =1801a(13) =2251a(14) =2347a(15) =2647a(16) =2857a(17) =3187a(18) =3301a(19) =4027a(20) =5107a(21) =6637a(22) =6967a(23) =7477a(24) =8737a(25) =9697a(26) =10501a(27) =11551a(28) =13567a(29) =17551