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#1 2010-09-30 17:30:33
- mukesh
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- Registered: 2010-07-18
- Posts: 31
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In How Many Wayscan 4 Different Balls Be Distributed Among 5 Boxes When No Box Contains All The Balls?
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#2 2010-09-30 17:48:26
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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Hi mukesh;
This is a distinguishable object in indistinguishable boxes problem.
These are the stirling numbers of the second kind.
http://www.mathisfunforum.com/viewtopic … 07#p132107
Post #5
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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