Prime(n^2) +/- n are primes.

Terms

a(0) =30a(1) =138a(2) =960a(3) =1056a(4) =1278a(5) =1470a(6) =1968a(7) =2538a(8) =2730a(9) =3030a(10) =3570a(11) =3810a(12) =4122a(13) =4248a(14) =4350a(15) =4506a(16) =5568a(17) =5586a(18) =5718a(19) =5856a(20) =6156a(21) =6486a(22) =6570a(23) =6942a(24) =7194a(25) =7260a(26) =7380a(27) =7410a(28) =7422a(29) =7584