Timeline for Integers in a triangle, and differences
Current License: CC BY-SA 2.5
16 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 12, 2019 at 4:25 | answer | added | Trishan Mondal | timeline score: 1 | |
| May 14, 2014 at 23:56 | answer | added | Bill Martin | timeline score: 1 | |
| Dec 2, 2010 at 9:54 | history | edited | Denis Serre |
retag
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| Dec 2, 2010 at 3:05 | answer | added | Nick S | timeline score: 2 | |
| Dec 2, 2010 at 1:34 | history | edited | Gerry Myerson | CC BY-SA 2.5 |
corrected spelling
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| Dec 2, 2010 at 1:08 | comment | added | ndkrempel | @HenrikRüping: the n=5 example with first row [6,14,15,3,13] shows this doesn't hold always. | |
| Dec 2, 2010 at 0:51 | history | edited | Denis Serre | CC BY-SA 2.5 |
added 130 characters in body
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| Dec 2, 2010 at 0:48 | vote | accept | Denis Serre | ||
| Dec 2, 2010 at 0:42 | history | edited | Denis Serre | CC BY-SA 2.5 |
edited body
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| Dec 2, 2010 at 0:15 | comment | added | HenrikRüping | in all examples in every row the values never grow/fall twice. Can one proof this or is it just wrong ? | |
| Dec 1, 2010 at 23:21 | answer | added | Gerry Myerson | timeline score: 30 | |
| Dec 1, 2010 at 21:10 | answer | added | ndkrempel | timeline score: 11 | |
| Dec 1, 2010 at 18:47 | comment | added | François Brunault | The problem reminds me of Ducci sequences : see en.wikipedia.org/wiki/Ducci_sequence | |
| Dec 1, 2010 at 15:25 | answer | added | Charles Matthews | timeline score: 2 | |
| Dec 1, 2010 at 14:19 | comment | added | Joseph O'Rourke | This reminds me of graceful labeling of a graph: en.wikipedia.org/wiki/Graceful_labeling . It seems your problem could be rephrased as gracefully labeling a particular graph. Not clear this would yield any insights, though... | |
| Dec 1, 2010 at 14:02 | history | asked | Denis Serre | CC BY-SA 2.5 |