[Jprogramming] Listing combinations

[Roger Hui]

See also 
http://archive.vector.org.uk/art10500220
by R.E. Boss



----- Original Message -----
From: Henry Rich <HenryHRich at nc.rr.com>
Date: Tuesday, September 27, 2011 17:54
Subject: Re: [Jprogramming] Listing combinations
To: Programming forum <programming at jsoftware.com>

> 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.