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DerekL
9 days ago
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Prime numbers so memorable that people hunt for th...
No, that doesn't fit the pattern. The number in the middle can't be repeated.
Retric
9 days ago
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That’s how it’s excluded, not why we should care about the pattern being exactly that formula.
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DerekL
9 days ago
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Sure, you could also look for primes of the form 123…(n-1)n⋅n(n-1)…321.
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