List of primes p1 such that (p1,p2) are twin primes where both 2*p1+p2 and p1+2*p2 are primes.

Terms

a(0) =3a(1) =5a(2) =59a(3) =269a(4) =1949a(5) =2999a(6) =6359a(7) =11489a(8) =11549a(9) =14549a(10) =18539a(11) =19889a(12) =21839a(13) =31079a(14) =32909a(15) =32969a(16) =33329a(17) =33599a(18) =42569a(19) =42839a(20) =50459a(21) =53549a(22) =58109a(23) =68879a(24) =70199a(25) =74609a(26) =79229a(27) =80909a(28) =93809a(29) =96329