$\"\"$

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The sequence is $\"\"$ and $\"\"$ .

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Above sequence substitute n = 1.

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Add: 13 + 5 = 18) $\"\"$

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$\"\"$ (Substitute n = 2)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Add: 18 + 5 = 23) $\"\"$

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$\"\"$ (Substitute n = 3)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Add: 23 + 5 = 28) $\"\"$

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$\"\"$ (Substitute n = 4)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Add: 28 + 5 = 33) $\"\"$

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The first five terms of the sequence are 13, 18, 23, 28, and 33.