Dãy xd bởi
=n n=0,1,2,...,p-1
=http://dientuvietnam.net/cgi-bin/mimetex.cgi?a_{n-1}+http://dientuvietnam.net/cgi-bin/mimetex.cgi?a_{n-p}
Tìm số dư của khi chia cho p
Edited by 102, 20-10-2006 - 19:49.
Edited by 102, 20-10-2006 - 19:49.
A nasty solution :
A straightforward induction on k shows that for all integers n,k such that http://dientuvietnam...etex.cgi?(p^2-1)_ periodic modulo p. Since , it follows that
Pierre.
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