Deficient Fibonacci numbers.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =13a(6) =21a(7) =34a(8) =55a(9) =89a(10) =233a(11) =377a(12) =610a(13) =987a(14) =1597a(15) =4181a(16) =6765a(17) =10946a(18) =17711a(19) =28657a(20) =75025a(21) =121393a(22) =196418a(23) =317811a(24) =514229a(25) =1346269a(26) =2178309a(27) =3524578a(28) =5702887a(29) =9227465