Raymond Friend (raymigo)

I be waking weird hours fyi

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To be clear: you get to write as many numbers as you want on the paper, but only get to “submit” or check it once.

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New math riddle 🥳 The sequence {1, 10, 100, 1000, …} has the property that you can never get the same sum twice only using elements of this sequence. E.g. 110 = 10 + 100. No other way to get this sum What’s the slowest-growing sequence of increasing positive integers with this “a + b ≠ c + d” property?

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Riddle: me & you are given hats each with a positive integer on them. We can only see the other person’s hat, no talking. We each are allowed to write finitely many numbers on our own piece of paper. If at least one of us wrote down our own number, we both win! How to guarantee a win? https://i.imgur.com/JVFvf9U.jpg

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