Please enter the missing figure: 3, 4, 8, 17, 33, ...
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46
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57
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45
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58
Reveal answer
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Correct answer
Explanation
The pattern follows: difference doubles each time, and 2 is added. From 3 to 4: difference 1 (2^0 + 0), from 4 to 8: difference 4 (2^2 + 0), from 8 to 17: difference 9 (2^3 + 1), from 17 to 33: difference 16 (2^4 + 0). Continuing: 33 + (2^5 - 1) = 33 + 25 = 58. The doubling pattern of differences (1, 4, 9, 16, 25) points to 58.
AI explanation
Looking at the differences between consecutive terms — 4-3=1, 8-4=4, 17-8=9, 33-17=16 — reveals a pattern of perfect squares: 1, 4, 9, 16. Following this pattern, the next difference should be 25 (5 squared), so the missing figure is 33 + 25 = 58.