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IMO Shortlist 2006 problem N1
2006
IMO
diofantska
shortlist
tb
Determine all pairs
of integers such that
%V0 Determine all pairs $(x, y)$ of integers such that $$1+2^{x}+2^{2x+1}= y^{2}.$$
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1893
IMO Shortlist 1994 problem N2
1994
IMO
shortlist
tb
6
1953
IMO Shortlist 1996 problem N2
1996
IMO
shortlist
tb
3
2003
IMO Shortlist 1998 problem N1
1998
IMO
shortlist
tb
15
2032
IMO Shortlist 1999 problem N1
1999
IMO
shortlist
tb
13
2115
IMO Shortlist 2002 problem N2
2002
IMO
shortlist
tb
16
2313
IMO Shortlist 2009 problem N1
2009
IMO
shortlist
tb
26