Problem A. 369. (March 2005)
A. 369. Find those positive integers n for which
holds.
(5 pont)
Deadline expired on April 15, 2005.
Statistics:
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