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What type of sequence is below? 2 , 2 , 4 , 6 , 10 , 16

User Nuageux
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Answer:

a(1) = 2, a(2) = 2,

For n = 3, 4, 5, ......, a(n) = a(n - 2) + a(n - 1)

User Fis
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