Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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Problem A. 369. (March 2005)

A. 369. Find those positive integers n for which



(5 pont)

Deadline expired on April 15, 2005.


9 students sent a solution.
5 points:Estélyi István, Jankó Zsuzsanna, Paulin Roland, Strenner Balázs, Tomon István.
1 point:2 students.
0 point:2 students.

Problems in Mathematics of KöMaL, March 2005