1 10
2 15
3 21
4 28
5 36
6 45
7 78
8 91
9 171
10 300
11 595
12 990
13 1711
14 2211
15 3003
16 5050
17 5151
18 5565
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24 222111
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32 5656566
33 22221111
34 50005000
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37 2222211111
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41 500000500000
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43 22222221111111
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50 222222222111111111
51 500000000500000000