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| Richard L. Peterson... |
 Posted: Fri Nov 06, 2009 2:20 pm |
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I'm sure it's well known but still: Let p be
prime and C(n,k) be the usual binomial coefficient.
Then C(np,kp) is congruent to C(n,k) mod p. |
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| Richard L. Peterson... |
| Posted: Sun Nov 29, 2009 7:50 pm |
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Guest
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[quote]I'm sure it's well known but still: Let p be
prime and C(n,k) be the usual binomial coefficient.
Then C(np,kp) is congruent to C(n,k) mod p.
[/quote]
This turns out to be a weakened statemant
of Wolstenholme's theorem, with "mod p"
where [mod p^3] could have been correctly
placed. |
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