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

Terms

a(0) =7a(1) =31a(2) =79a(3) =211a(4) =271a(5) =751a(6) =787a(7) =1231a(8) =1447a(9) =1459a(10) =2347a(11) =2551a(12) =3727a(13) =5119a(14) =6427a(15) =6691a(16) =8467a(17) =8707a(18) =9007a(19) =10099a(20) =10531a(21) =10567a(22) =10831a(23) =11959a(24) =18691a(25) =21487a(26) =22039a(27) =22567a(28) =23059a(29) =23167