Hacker News with Generative AI: Binary Trees

[x<<1 + 2, x<<1 + 3] is a Binary Tree (ivanbelenky.com)
From the post $$x + 1 \ \text{is a list}$$ I bring to you the binary tree.
A binary tree of all Pythagorean triples (richardt.io)
I sketch how the stereographic projection of the Stern–Brocot tree forms an ordered binary tree of Pythagorean triples, which can be used to compute best approximations of turn angles of points on the circle and finally trigonometric functions.