User contributions
- 03:52, 16 August 2011 (diff | hist) . . (+215) . . N 2005 IMO Shortlist Problems/N1 (Created page with "Consider the sequence <math>a_1,a_2, . . .</math> defined by <math>a_n=2^n+6^n+3^n-1</math> for <math>n = 1,2, . . . </math>. Determine all positive integers that are relatively...") (current)
- 03:36, 16 August 2011 (diff | hist) . . (+182) . . N 2004 IMO Shortlist Problems/N5 (Created page with "We call a positive integer alternate if its decimal digits are alternately odd and even. Find all positive integers <math>n</math> such that <math>n</math> has an alternate multi...") (current)
- 03:27, 16 August 2011 (diff | hist) . . (+277) . . N 1998 IMO Shortlist Problems/N6 (Created page with "For any positive integer <math>n</math>, let <math>d(n)</math> denote the number of positive divisors of <math>n</math> (including <math>1</math> and <math>n</math>). Determine a...") (current)
- 03:20, 16 August 2011 (diff | hist) . . (+835) . . 1998 IMO Shortlist Problems/N1 (→Problem) (current)
- 03:09, 16 August 2011 (diff | hist) . . (+112) . . N 1998 IMO Shortlist Problems/N1 (Created page with "== Problem == Find all pairs of positive integers <math>(a,b)</math> such that, <cmath>ab^2+b+7|a^2b+a+b</cmath>")
- 02:43, 16 August 2011 (diff | hist) . . (-4) . . 2001 IMO Shortlist Problems/N6 (→Solution)
- 02:19, 16 August 2011 (diff | hist) . . (+1,463) . . 2001 IMO Shortlist Problems/N6 (→Solution)
