b=-1.0; c=-1.0; b0=1.0; b1=1.0; nmax=6 #Fibonacci

x=[b0,b1] #initialiserer array

for i in [0,1]: print i,x[i]

i=2

while (i <=nmax):
   x.append(-b*x[i-1]-c*x[i-2])
   print i,x[i]
   i=i+1