The hardest "What comes next?" (Euler's pentagonal formula)
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Why did they prove this amazing theorem in 200 different ways? Quadratic Reciprocity MASTERCLASS
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Why don't they teach Newton's calculus of 'What comes next?'
51:49
The ARCTIC CIRCLE THEOREM or Why do physicists play dominoes?
26:51
New divisibility rule! (30,000 of them)
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How did Ramanujan solve the STRAND puzzle?
21:23
Euler's Formula - Numberphile
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The Subfactorial is Hilarious
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