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Re: Combinatorics question

>Can somenone help me find the following:
>I have a list of 20 numbers, and I would like to list all the
>combinations of these numbers taken 6 at a time.  The Binomial
>function tells me there are 38760, but I would like to actually
>see all of them.
>Thanks in advance for your help.

Use the function KSubsets of the standard package DiscreteMath`Combinatorica`:

  subs = KSubsets[ListOf20Numbers,6];

-- Jorma Virtamo

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