Primes p such that p+2, 2p+1, and 2p+3 are also prime.

Terms

a(0) =5a(1) =29a(2) =659a(3) =809a(4) =2129a(5) =2549a(6) =3329a(7) =3389a(8) =5849a(9) =6269a(10) =10529a(11) =33179a(12) =41609a(13) =44129a(14) =53549a(15) =55439a(16) =57329a(17) =63839a(18) =65099a(19) =70379a(20) =70979a(21) =72269a(22) =74099a(23) =74759a(24) =78779a(25) =80669a(26) =81929a(27) =87539a(28) =93239a(29) =102299