Variations on Knuth’s Twindragon

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Intuition for Pick’s Theorem

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Knuth’s Twindragon

John D. Cook
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What’s hierarchical about a hierarchical wallet?

John D. Cook
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Punch Cards and Dollar Bills

John D. CookHN
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A recipe for creating random fractals

John D. CookHN
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When log(x) has the same digits as x

John D. Cook
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Connecting partial sums

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A lot of seed phrase words are similar

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Factoring Stencils

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Recovering a permuted seed phrase

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What’s in your wallet?

John D. CookHN
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Randomly generated dragon

John D. Cook
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Converting very long strings to integers in Python

John D. Cook
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American Flag Prime

John D. Cook
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Uppercase Eszett

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Weierstrass, Montgomery, and Edwards elliptic curve forms

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Tiny Jubjub

John D. Cook
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Two ways of generalizing π

John D. Cook
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Misleading plots of elliptic curves

John D. Cook
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