%data source: % x(n) = x(n-1) + 0.25*x(n-2) 1.00000000000000 2.00000000000000 1.75000000000000 1.25000000000000 0.81250000000000 0.50000000000000 0.29687500000000 0.17187500000000 0.09765625000000 0.05468750000000 0.03027343750000 0.01660156250000 0.00903320312500 0.00488281250000 0.00262451171875 0.00140380859375 0.00074768066406 0.00039672851563 0.00020980834961 0.00011062622070