An inverse Catalan transform of Fibonacci(2n).

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =0a(5) =-5a(6) =-13a(7) =-21a(8) =-21a(9) =0a(10) =55a(11) =144a(12) =233a(13) =233a(14) =0a(15) =-610a(16) =-1597a(17) =-2584a(18) =-2584a(19) =0a(20) =6765a(21) =17711a(22) =28657a(23) =28657a(24) =0a(25) =-75025a(26) =-196418a(27) =-317811a(28) =-317811a(29) =0