What's My Rule?
2 → 5 → 11 → 23 → 47
A rule for this "chain" of length 5?
Why did it stop?
Using numbers different from above, find a chain of length 3.
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2→5→11→23→47 A rule for this "chain" of length 5? Why did it stop? Using numbers different from above, find a chain of length 3. A former student of mine had a key role in the movie Proof. How is this 'germane'?🙂#math #maths @GlobalMathDept @matemagikern @JohnAllenPaulos
— David Marain (@dmarain) November 20, 2020
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