Primes of the form 3n^3-7.

Terms

a(0) =17a(1) =641a(2) =12281a(3) =17489a(4) =23993a(5) =52721a(6) =98297a(7) =331769a(8) =374993a(9) =862481a(10) =943289a(11) =1119737a(12) =1316921a(13) =2186993a(14) =3183617a(15) =3573041a(16) =4682681a(17) =6291449a(18) =6590993a(19) =8589857a(20) =9336401a(21) =10124993a(22) =11832929a(23) =12287993a(24) =20576993a(25) =30233081a(26) =31080689a(27) =32823137