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'''p=53

x1=float(2**(p+1))
x2=x1-2.0
x3=-x2/2.0
x4=x3
x5=x4
x6=x5=x4

x=[x1,x2,x3,x4,x5,x6]

print(x)

#print(x1+x2+x3+x4+x5+x6)
summa=((x1+x2)+(x3+(x4+x5)))+x6
print(summa)'''

def func(y,z):
    return 108-(815-1500/z)/y

x=[0.0]*31
x[0]=4
x[1]=4.25
for n in range(2,30+1,1):
    x[n]=func(x[n-1],x[n-2])
    
print(x)