a(n) = Fibonacci(n) XOR Fibonacci(n+1).

Terms

a(0) =1a(1) =0a(2) =3a(3) =1a(4) =6a(5) =13a(6) =5a(7) =24a(8) =55a(9) =21a(10) =110a(11) =201a(12) =121a(13) =400a(14) =795a(15) =441a(16) =1510a(17) =3109a(18) =6733a(19) =2616a(20) =12463a(21) =28653a(22) =10974a(23) =56017a(24) =102449a(25) =65312a(26) =206195a(27) =402993a(28) =197062a(29) =748189