Difference between revisions of "2005 AIME I Problems/Problem 2"
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== See also == | == See also == | ||
* [[2005 AIME I Problems]] | * [[2005 AIME I Problems]] | ||
Revision as of 22:05, 5 September 2006
Problem
For each positive integer 
let 
denote the increasing arithmetic sequence of integers whose first term is 1 and whose common difference is 
For example, 
is the sequence 
For how many values of 
does contain the term 2005?
Solution
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