from __future__ import print_function
import numpy as np


N = 50
x = np.zeros(N)
x[0] = 190
x[1] = 260

for i in range(2,N):
    x[i] = 0.25*x[i-1] + 1.25*x[i-2]
    print('x[%d]: %g' % (i, x[i]));