Primes p such that p*floor(p/2) - 4 and p*floor(p/2) + 4 are prime numbers.

Terms

a(0) =151a(1) =463a(2) =571a(3) =631a(4) =643a(5) =991a(6) =1063a(7) =1171a(8) =1831a(9) =2083a(10) =2311a(11) =4951a(12) =5023a(13) =6211a(14) =6703a(15) =6763a(16) =7723a(17) =7951a(18) =9043a(19) =11383a(20) =12163a(21) =12391a(22) =13183a(23) =14851a(24) =15031a(25) =17431a(26) =19231a(27) =19543a(28) =20143a(29) =22051