Odd numbers not of the form 3 + twin prime + twin prime.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =97a(5) =99a(6) =101a(7) =403a(8) =405a(9) =407a(10) =517a(11) =519a(12) =521a(13) =787a(14) =789a(15) =791a(16) =907a(17) =909a(18) =911a(19) =1117a(20) =1119a(21) =1121a(22) =1147a(23) =1149a(24) =1151a(25) =1267a(26) =1269a(27) =1271a(28) =1357a(29) =1359