Blog
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G4G15 gift exchange: Parity Triangles from the OEIS
In February 2024, I attended the Gathering 4 Gardner in Atlanta (G4G15), which has a tradition of a gift exchange, where you bring 170 copies of a small gift, and in turn you get a small gift from all of…
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Yan Zhang on power and Conway
You know that feeling when someone expresses a feeling that you have better than you ever could figure out how to articulate it? While archiving my old liked tweets, I noticed that Yan Zhang had done it. Twice. I wanted…
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LEGO Truchet
In the process of going through my old saved tweets as I transition away from Twitter, I saw this tweet from Dave Richeson who is now posts on Bluesky as @divbyzero.bsky.social. About one year after this, I made a LEGO…