Sums of two consecutive nonprime Fibonacci numbers (A090206).

Terms

a(0) =1a(1) =2a(2) =9a(3) =29a(4) =55a(5) =89a(6) =199a(7) =521a(8) =987a(9) =1597a(10) =3571a(11) =6765a(12) =10946a(13) =17711a(14) =28657a(15) =64079a(16) =121393a(17) =196418a(18) =317811a(19) =514229a(20) =1149851a(21) =2178309a(22) =3524578a(23) =5702887a(24) =9227465a(25) =14930352a(26) =24157817a(27) =39088169a(28) =63245986a(29) =102334155