Dear allstaters,
here's a result I'm not able to prove:
"there are k^(k-1) vectors of k integers, each element ranging from 0 to
k-1, summing to a number exactly divisible by k"
Anybody has a hint? Thanks a lot,
Alessio
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Alessio Pollice
Dipartimento di Scienze Statistiche
Università degli Studi di Bari
Via C. Rosalba 53
70124 Bari, ITALY
Tel.: +39 080 5049243
Fax: +39 080 5049147
e-mail: [log in to unmask]
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