bn:01284565n
Noun Concept
Categories: All articles containing potentially dated statements, Integer sequences
EN
Bell number  Bell numbers  Bell prime  Bellian number
EN
In combinatorial mathematics, the Bell numbers count the possible partitions of a set. Wikipedia
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EN
In combinatorial mathematics, the Bell numbers count the possible partitions of a set. Wikipedia
Any member of a sequence of numbers that count the possible partitions of a set, such that the nth number Bn is the number of different ways to partition a set that has exactly n elements. Wiktionary
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