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The Bell Numbers $B_n$ are a sequence of natural numbers defined as the number of ways a set with $n$ elements can be partitioned.
Sequence of Bell Numbers
The sequence of Bell numbers begins:
- $(1), 1, 2, 5, 15, 52, 203, 877, 4140, 21 \, 147, \ldots$
where the first $(1)$ is the zeroth Bell number $B_0$.
- Results about Bell numbers can be found here.
Source of Name
This entry was named for Eric Temple Bell.