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Jun 26, 2023 at 22:47 comment added Lee Mosher And another, on oeis.org
Jun 26, 2023 at 22:46 comment added Lee Mosher The link in the previous comment broke. Here's a new one.
Jun 26, 2023 at 20:36 answer added Timothy Chow timeline score: 12
Sep 18, 2018 at 12:49 vote accept Carlo Beenakker
Feb 8, 2018 at 7:01 comment added Taras Banakh It would be helpful to add the link (cheswick.com/ches/conway1000.pdf) to the list of Conway's problems containing his "climb-to-a-prime conjecture" under number 5.
Jun 10, 2017 at 5:53 comment added Gerry Myerson 100 years ago, Dudeney noticed $2^59^2=2592$. If only 9 were prime....
Jun 9, 2017 at 22:12 history edited Carlo Beenakker
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Jun 9, 2017 at 20:28 comment added Timothy Chow Do there exist more non-prime fixed points than a heuristic argument would suggest? If so then that might lead to an interesting mathematical insight.
Jun 9, 2017 at 16:38 review Close votes
Jun 9, 2017 at 20:04
Jun 9, 2017 at 16:20 answer added James Davis timeline score: 48
Jun 9, 2017 at 15:41 comment added spin I guess the answer would be no, but demonstrating that might be impossible. Are there any implications of interest in various other puzzles/results involving patterns in base-10 digits of a number?
Jun 9, 2017 at 15:12 history asked Carlo Beenakker CC BY-SA 3.0