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number theory intermediate

Problem

What is the 200th term of the increasing sequence of positive integers formed by omitting only the perfect squares?
Solution
When 200 is reached in the sequence of non-square positive integers, all the perfect squares from up to have been omitted. Therefore, 200 is the 186th term. The 187th term is 201, the 188th term is 202, , the 200th term is .
Final answer
214