1, 2, 4, 8, 16, …

What would you say the next number in the sequence is? You may feel very confident that your answer of 32 is correct. But if your friend said 31, would they be wrong?

Perhaps they forgot how to multiply by 2, in which case, you could help them out. Or perhaps, they found a different pattern from the one you found. One of the beautiful things about sequences like the one above is that although there may be an obvious next term, there is never a correct one. Without a prescribed rule, any sequence can be defined by any number…

Julian Chiveral

Always seeking knowledge.

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