User contributions
- 18:11, 31 October 2018 (diff | hist) . . (+137) . . N 2005 IMO Problems/Problem 4 (Created page with "Determine all positive integers relatively prime to all the terms of the infinite sequence <cmath> a_n=2^n+3^n+6^n -1,\ n\geq 1. </cmath>")
- 18:04, 19 October 2018 (diff | hist) . . (0) . . m 2017 USAMO Problems/Problem 1 (→Solution 1)
- 15:59, 31 August 2018 (diff | hist) . . (+856) . . 2017 USAJMO Problems/Problem 5 (→Solution)
- 16:44, 3 August 2018 (diff | hist) . . (-2) . . m 2005 AIME I Problems/Problem 15 (→Solution 2)
- 16:20, 3 August 2018 (diff | hist) . . (0) . . m 2005 AIME I Problems/Problem 11 (→Solution 1)