k in S implies 2k-2, 3k-3 in S.

Terms

a(0) =5a(1) =8a(2) =12a(3) =14a(4) =21a(5) =22a(6) =26a(7) =33a(8) =39a(9) =40a(10) =42a(11) =50a(12) =60a(13) =63a(14) =64a(15) =75a(16) =76a(17) =78a(18) =82a(19) =96a(20) =98a(21) =114a(22) =117a(23) =118a(24) =123a(25) =124a(26) =126a(27) =147a(28) =148a(29) =150