#  pi_values.txt
#  Created on {2006, 2, 3, 16, 23, 10.7031250}
#
#  n  f
#
10  4
20  8
30  10
40  12
50  15
60  17
70  19
80  22
90  24
100  25
1000  168
10000  1229
100000  9592
1000000  78498
10000000  664579
100000000  5761455
1000000000  50847534