Primes of the form 3*m^2 - 4.

Terms

a(0) =23a(1) =71a(2) =239a(3) =359a(4) =503a(5) =863a(6) =1319a(7) =1583a(8) =1871a(9) =2879a(10) =3671a(11) =5039a(12) =8423a(13) =9743a(14) =11159a(15) =11903a(16) =12671a(17) =13463a(18) =16871a(19) =17783a(20) =18719a(21) =20663a(22) =25943a(23) =29399a(24) =33071a(25) =38303a(26) =39671a(27) =48383a(28) =49919a(29) =51479