Primes in toothpick sequence A153003.

Terms

a(0) =7a(1) =31a(2) =127a(3) =211a(4) =487a(5) =571a(6) =643a(7) =811a(8) =1033a(9) =1249a(10) =1663a(11) =1999a(12) =2131a(13) =2179a(14) =2281a(15) =2347a(16) =2467a(17) =3391a(18) =4801a(19) =5059a(20) =6361a(21) =7759a(22) =8191a(23) =8209a(24) =8713a(25) =8779a(26) =8929a(27) =9187a(28) =9343a(29) =9679