A formula that generates the first prime numbers

from math import *

def f(x):
    return floor(cos(x*fmod(2.49059,0.442822*x))-0.802418+2*x+0.0902119*x*x)

for x in range(1, 30):
    print x, f(x)

'''
This prints:

1 2.0
2 3.0
3 5.0
4 7.0
5 11.0
6 13.0
7 17.0
8 21.0
9 23.0
10 29.0
11 31.0
12 36.0
13 41.0
14 43.0
15 50.0
16 53.0
17 59.0
18 65.0
19 68.0
20 76.0
21 80.0
22 86.0
23 93.0

Software used to generate the formula: TuringBot

'''