Ancestral Challenge costs

Computation:
((Battle # * Battle # * 50) + 1000)
(Thanks Byte)
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1 = 1000
2 = 1050
3 = 1200
4 = 1450
5 = 1800
6 = 2250
7 = 2800
8 = 3450
9 = 4200
10= 5050
11= 6000
12= 7050
13= 8200
14= 9450
15= 10800
16= 12250
17= 13800
18= 15450
19= 17200
20= 19050
21= 21000
22= 23050
23= 25200
24= 27450
25= 29800
26= 32250
27= 34800
28= 37450
29= 40200
30= 43050
31 = 46000
32 = 49050
33 = 52200
34 = 55450
35 = 58800
36 = 62250
37 = 65800
38 = 69450
39 = 73200
40 = 77050
41 = 81000
42 = 85050
43 = 89200
44 = 93450
45 = 97800
46 = 102250
47 = 106800
48 = 111450
49 = 116200
50 = 121050
51 = 126000
52 = 131050
53 = 136200
54 = 141450
55 = 146800
56 = 152250
57 = 157800
58 = 163450
59 = 169200
60 = 175050