Primes p such that p - 6^2, p - 6, p + 6 and p + 6^2 are also primes.

Terms

a(0) =47a(1) =53a(2) =67a(3) =73a(4) =103a(5) =233a(6) =277a(7) =353a(8) =373a(9) =607a(10) =947a(11) =977a(12) =1187a(13) =1223a(14) =1487a(15) =1663a(16) =2683a(17) =2693a(18) =2713a(19) =2963a(20) =3307a(21) =3733a(22) =4457a(23) =5443a(24) =6323a(25) =6863a(26) =7523a(27) =9007a(28) =11903a(29) =11933