Author: Ernst A. Heinz
Date: 11:54:04 11/18/98
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On November 18, 1998 at 14:00:26, Eugene Nalimov wrote: > > [...] > >3. If there are 2 identical pieces (e.g. as in knnkp), you can > order their locations - e.g. force second piece to occupy > square with smaller number. Then you have not N*(N-1) total > combinations, but N*(N+1)/2. ^ Typo ?? I believe it must read "..., but (N*(N-1))/2", i.e. exactly 50% less. =Ernst=
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