« Vrati se
Prove that there exists two strictly increasing sequences (a_{n}) and (b_{n}) such that a_{n}(a_{n}+1) divides b^{2}_{n}+1 for every natural n.

Slični zadaci

#NaslovOznakeRj.KvalitetaTežina
2316IMO Shortlist 2009 problem N42
2286IMO Shortlist 2008 problem N37
2037IMO Shortlist 1999 problem N61
2036IMO Shortlist 1999 problem N51
2035IMO Shortlist 1999 problem N40
2033IMO Shortlist 1999 problem N21