Numbers k such that k^2 + prime(k) and k^2 - prime(k) are both primes.

Terms

a(0) =12a(1) =30a(2) =60a(3) =96a(4) =336a(5) =660a(6) =702a(7) =756a(8) =984a(9) =990a(10) =1188a(11) =1302a(12) =1488a(13) =1830a(14) =1866a(15) =2070a(16) =2142a(17) =2340a(18) =2586a(19) =2874a(20) =2910a(21) =3618a(22) =3714a(23) =3750a(24) =3774a(25) =3906a(26) =4008a(27) =4470a(28) =4512a(29) =4902