Rare numbers: Difference between revisions
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m (→The task: added "%10" where needed. Without it, the progam fails to produce a result where "n+r" has the first digit of "1".) |
m (Shyam Sunder Gupta's URL seemed to have changed it's spelling from xxxxxxxxx.htm --> xxxxxxxx.html) |
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:* an OEIS entry: [http://oeis.org/A059755 A059755 odd rare numbers]. |
:* an OEIS entry: [http://oeis.org/A059755 A059755 odd rare numbers]. |
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:* planetmath entry: [https://www.planetmath.org/RareNumbers rare numbers]. (some hints) |
:* planetmath entry: [https://www.planetmath.org/RareNumbers rare numbers]. (some hints) |
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:* author's website: [http://www.shyamsundergupta.com/rare. |
:* author's website: [http://www.shyamsundergupta.com/rare.html rare numbers] by Shyam Sunder Gupta. (lots of hints and some observations). |
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