perplexus.info :: Just Math : Counting Partitions

Counting Partitions (Posted on 2024-03-21)

The set of natural numbers 1 through N is to be partitioned into two subsets A and B, with one restriction:
The number of elements in A is not a member of A and the number of elements in B is not a member of B.

How many ways are there to make these partitions?

No Solution Yet Submitted by Brian Smith

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Subject	Author	Date
re: solution	Charlie	2024-03-21 16:25:09
Puzzle Answer	K Sengupta	2024-03-21 14:29:16
solution	Charlie	2024-03-21 13:45:01

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