a(2n) = A014445(n), a(2n+1) = A015448(n+1).

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =8a(5) =21a(6) =34a(7) =89a(8) =144a(9) =377a(10) =610a(11) =1597a(12) =2584a(13) =6765a(14) =10946a(15) =28657a(16) =46368a(17) =121393a(18) =196418a(19) =514229a(20) =832040a(21) =2178309a(22) =3524578a(23) =9227465a(24) =14930352a(25) =39088169a(26) =63245986a(27) =165580141a(28) =267914296a(29) =701408733