a(n) = (1/2)*A293077(n).

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =13a(6) =22a(7) =37a(8) =63a(9) =107a(10) =182a(11) =310a(12) =529a(13) =903a(14) =1541a(15) =2630a(16) =4489a(17) =7663a(18) =13081a(19) =22330a(20) =38119a(21) =65073a(22) =111086a(23) =189635a(24) =323727a(25) =552636a(26) =943408a(27) =1610498a(28) =2749292a(29) =4693335