Primes of the form (p^2-1)/4-p where p are also primes.

Terms

a(0) =5a(1) =19a(2) =29a(3) =71a(4) =109a(5) =181a(6) =379a(7) =419a(8) =811a(9) =1259a(10) =1481a(11) =2549a(12) =2861a(13) =3079a(14) =4159a(15) =4691a(16) =7309a(17) =8009a(18) =8929a(19) =13339a(20) =17029a(21) =18089a(22) =19739a(23) =21169a(24) =23869a(25) =24179a(26) =27059a(27) =35531a(28) =37441a(29) =39799