Post #2672402
2026-01-22 19:17 UTC
And, in fact, we can think of this as an infinite family of transformations: it's easy enough to rearrange and extend those last two examples so that we have four specimens for 6x6, 7x7, 8x8, and 9x9 squares each doing a somewhat similar framing move...
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@joshmillard@mastodon.social 2026-01-22 19:22
And then show that for each of those four examples for an nxn square transformation, you can do a similar n+4xn+4 transformation with the exact same frame plus a couple more 2x4 rectangles popped on at the edges of the frame. So this is a family of four frame transformations for n, n+1, n+2, and n+3, and each of them also trivially works to add for any multiple of 4 larger value of n. Neat!