Question: Let S be a set of n elements. Determine the number of unordered partitions of the types. 1. n = 15; (3, 3, 3, 3,

Let S be a set of n elements. Determine the number of unordered partitions of the types.
1. n = 15; (3, 3, 3, 3, 3)
2. n = 10; (5, 5)
3. n = 18; (6, 6, 6)
4. n = 12; (4, 4, 4)

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