Partial sums of (-1)^n*Fibonacci(n-1).

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =0a(6) =5a(7) =-3a(8) =10a(9) =-11a(10) =23a(11) =-32a(12) =57a(13) =-87a(14) =146a(15) =-231a(16) =379a(17) =-608a(18) =989a(19) =-1595a(20) =2586a(21) =-4179a(22) =6767a(23) =-10944a(24) =17713a(25) =-28655a(26) =46370a(27) =-75023a(28) =121395a(29) =-196416