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Topic: Homework question: permutations
Replies: 12   Last Post: Oct 21, 2001 8:04 PM

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Fred Galvin

Posts: 1,758
Registered: 12/6/04
Re: Homework question: permutations
Posted: Oct 16, 2001 3:27 AM
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On Mon, 15 Oct 2001, Robin Chapman wrote:

> For (a) and (b) let o_n denote the number of odd order permutations
> in S_n. Then it's easy to prove
> o_{n+1} = o_n + n (n-1) o_{n-1}.
> [...]


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