Primes of the form 4*n^3-9.

Terms

a(0) =23a(1) =491a(2) =2039a(3) =8779a(4) =27427a(5) =31991a(6) =97547a(7) =131063a(8) =157207a(9) =171491a(10) =821507a(11) =1257719a(12) =1371991a(13) =1556059a(14) =1620887a(15) =1972147a(16) =2819867a(17) =3114743a(18) =3650683a(19) =3764759a(20) =5619703a(21) =6083491a(22) =7263383a(23) =7812491a(24) =9410539a(25) =13231787a(26) =17643767a(27) =24918007