Primes p such that 8p +1 and (p-1)/8 are primes.

Terms

a(0) =17a(1) =137a(2) =809a(3) =857a(4) =3209a(5) =6569a(6) =7577a(7) =9209a(8) =11897a(9) =16217a(10) =17657a(11) =19289a(12) =21929a(13) =23417a(14) =30809a(15) =35129a(16) =37529a(17) =41849a(18) =46889a(19) =53609a(20) =56009a(21) =66377a(22) =70457a(23) =74729a(24) =76697a(25) =78809a(26) =80537a(27) =88937a(28) =91577a(29) =95177