numberphile sum of natural numbers Card Flipping Proof - Numberphile

Zandra Vinegar demonstrates a card game and how she likes to visualise a proof associated with it (involving a hedgehog). More links & stuff in full description below ↓↓↓

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numberphile sum of natural numbers Card Flipping Proof - Numberphile
4,271 Likes	4,271 Dislikes
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Science & Technology	Upload TimePublished on 3 Feb 2019

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