$\"\"$

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The sequence is $\"\"$ .

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The first term is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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The $\"\"$ terms is $\"\"$ .

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The $\"\"$ term is $\"\"$ .

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The common difference $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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The common difference $\"\"$ .

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First four terms are $\"\"$ and $\"\"$ .