1.31/3 =
1.09139288306111
2.31/3 =
1.32000612179591
3.31/3 =
1.48880555295383
4.31/3 =
1.62613333167917
5.31/3 =
1.74351340126513
6.31/3 =
1.84691475044783
7.31/3 =
1.93987741458033
8.31/3 =
2.02469385200546
9.31/3 =
2.10294371746142
10.31/3 =
2.17576711391712