Prime numbers P such that 8*P^2-1 and 8*(8*P^2-1)^2-1 are also prime numbers.

Terms

a(0) =2a(1) =79a(2) =107a(3) =173a(4) =257a(5) =359a(6) =383a(7) =523a(8) =593a(9) =971a(10) =1493a(11) =1811a(12) =1867a(13) =2273a(14) =2357a(15) =3187a(16) =4111a(17) =4723a(18) =6389a(19) =7607a(20) =8101a(21) =8699a(22) =9473a(23) =11027a(24) =12157a(25) =12227a(26) =15017a(27) =16301a(28) =16987a(29) =18797