Daniel Piker on X: "The best known packings of N equal circles into a square and a circle. https://t.co/a7LQuBVKCm" / X
Inscribing 6 circles in a square. A sangaku problem - YouTube
Daniel Piker on X: "The arrangement on the left is a more efficient packing of 49 circles into a square than the one on the right. https://t.co/vBOmMBHnmx" / X
Circle Packing in a Square - Maple Application Center
Some progress in the packing of equal circles in a square | Semantic Scholar