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| ![Mathematical Games: puzzles on a square grid][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=Main21022025.png&userId=20103 [2]:... |
| ![Mathematical Games: 2025, other numbers and OEIS][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=Main31012025.png&userId=20103 [2]:... |
| ![enter image description here][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=9101hero.png&userId=20103 [2]: https://www.wolframcloud.com/obj/5ac4f51f-3dbe-4021-8314-0e259540b229 |
| ![Mathematical Games - diving into cards: set, dominoes, spot-it, scrabble & more][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=Main20122024.png&userId=20103 [2]:... |
| &[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/9da76742-0573-4fe8-a49a-0af7904043ae |
| ![Mathematical Games: linkages][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=6139Main24102024.png&userId=20103 [2]:... |
| A new highest prime was announced at mersenne.org , which is a Mersenne prime: $$2^{136279841}-1$$ The beginning and end are > 88169432750383326555...55076706219486871551. This also leads to the newest known perfect number: ... |
| Turns out this is the 1-4 [Doyle Spiral][1]. ![enter image description here][2] Here's the 1-5 spiral. ![enter image description here][3] The whole series seems to have unusual symmetry polynomials. [1]:... |
| &[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/4690e37b-ec25-4f22-9442-7e5aede8fa3d |
| ![Mathematical Games: ordering and canonical forms][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=10404Main19092024.png&userId=20103 [2]:... |