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Example 2 data error

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#1

For the example 2, I feel that last data should be {4,1} instead of {4}.
n : 5
Number of ways = 6
Explanation: Following are the six ways we can express ‘n’ : {1,1,1,1,1}, {1,1,3}, {1,3,1}, {3,1,1},
{1,4}, {4}

#2

@Peng_Xu you are right. Thanks for pointing this out. We fixed it.