[Jprogramming] Listing combinations

[Henry Rich]

http://www.jsoftware.com/jwiki/Essays/Combinations

Henry Rich

On 9/27/2011 8:50 PM, David Vaughan wrote:
> How could I list all combinations of x!y?
>
> e.g. 2!3 = 3, and the combinations are (1,2), (1,3), (2,3).
>
> Thanks.
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