A ug 2 00 7 To appear in Discrete Math . ON SUMS OF BINOMIAL COEFFICIENTS AND THEIR APPLICATIONS
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چکیده
In this paper we study recurrences concerning the combinatorial sumˆn r
منابع مشابه
On sums of binomial coefficients and their applications
In this paper we study recurrences concerning the combinatorial sum k≡r (mod m) n k and the alternate sum k≡r (mod m) (−1) (k−r)/m n k , where m > 0, n 0 and r are integers. For example, we show that if n m − 1 then
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