Odd Fibonacci numbers.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =13a(5) =21a(6) =55a(7) =89a(8) =233a(9) =377a(10) =987a(11) =1597a(12) =4181a(13) =6765a(14) =17711a(15) =28657a(16) =75025a(17) =121393a(18) =317811a(19) =514229a(20) =1346269a(21) =2178309a(22) =5702887a(23) =9227465a(24) =24157817a(25) =39088169a(26) =102334155a(27) =165580141a(28) =433494437a(29) =701408733