Numbers k such that 3*k+2 is prime.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =7a(5) =9a(6) =13a(7) =15a(8) =17a(9) =19a(10) =23a(11) =27a(12) =29a(13) =33a(14) =35a(15) =37a(16) =43a(17) =45a(18) =49a(19) =55a(20) =57a(21) =59a(22) =63a(23) =65a(24) =75a(25) =77a(26) =79a(27) =83a(28) =85a(29) =87