Primes p such that both 2*p + 1 and p^2 + p + 1 are primes.

Terms

a(0) =2a(1) =3a(2) =5a(3) =41a(4) =89a(5) =131a(6) =173a(7) =293a(8) =743a(9) =761a(10) =911a(11) =1559a(12) =1583a(13) =1811a(14) =1931a(15) =1973a(16) =2129a(17) =2273a(18) =2339a(19) =2969a(20) =3449a(21) =3491a(22) =4409a(23) =4733a(24) =5003a(25) =5039a(26) =5501a(27) =6173a(28) =6551a(29) =6761