What’s the pattern ?

• List of 11 took 4 tries

• List of 32 took 5 tries

• List of 250 took 8 tries

• List of 512 took 9 tries

• 32 = 25 and 512 = 29

• 9 < 11 < 16 23 < 11 < 24

• 128 < 250 < 256 27 < 250 < 28

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