What is the number 2002 of sequence 3,48,1,5,49,4,7,50,7,9,51,10,11?
You can split this sequence into three
3,48,1,
5,49,4,
7,50,7,
Observe the law of the column
By analogy, 2002 / 3 = 667 one
In other words, in the first column, the company in the first column is a = 1 + 2n,
2002, n = 668, so the answer is 1337
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