Primes p such that 2*(p^2-1) - 1 and 2*(p^2-1) + 1 are also primes.

Terms

a(0) =2a(1) =11a(2) =41a(3) =59a(4) =181a(5) =379a(6) =571a(7) =659a(8) =1429a(9) =1439a(10) =1721a(11) =1879a(12) =2029a(13) =2239a(14) =2351a(15) =2381a(16) =2579a(17) =2671a(18) =3209a(19) =3581a(20) =4159a(21) =4229a(22) =4271a(23) =4969a(24) =4999a(25) =6299a(26) =6451a(27) =6551a(28) =7349a(29) =7841