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Engineering, 25.01.2022 02:50 esmeraldavelez63

What is the missing number in the pattern below?
0, 1, 2, 3, 6, 11, 20, _?_, 68

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What is the missing number in the pattern below?
0, 1, 2, 3, 6, 11, 20, _?_, 68...
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