Primes of the form 7n^3-9.

Terms

a(0) =47a(1) =439a(2) =6991a(3) =28663a(4) =74527a(5) =447991a(6) =596279a(7) =1834999a(8) =3859567a(9) =5814079a(10) =7874039a(11) =8337103a(12) =15378991a(13) =20043007a(14) =21784943a(15) =24582647a(16) =51109679a(17) =55999991a(18) =101687479a(19) =163755583a(20) =170722991a(21) =233703727a(22) =300124991a(23) =337599799a(24) =468463903