A Problem in Combinations
- 1 January 1933
- journal article
- research article
- Published by Cambridge University Press (CUP) in Mathematical Notes
Abstract
1. If there are n individuals A1, A2,.…, An, in how many ways can they be put into groups? For example, if there are three individuals A, B, C, they may be grouped as that is, in 5 ways, the respective subgroups, 1, 3, 1 in number, corresponding to the partitions 1 + 1 + 1, 1 + 2, 3 of the integer 3. Hence P (3), say, is 5.Keywords
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