Timeline for Triangle a number!
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 17, 2020 at 9:04 | history | edited | CommunityBot |
Commonmark migration
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| Aug 5, 2017 at 12:10 | comment | added | alephalpha |
Tr@*Accumulate
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| Aug 5, 2017 at 3:06 | comment | added | JungHwan Min |
Improving @alephalpha 's solution: #.Range[Tr[1^#],1,-1]&
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| Aug 5, 2017 at 3:01 | comment | added | alephalpha |
You can take the input as a list of digits. #.Range[Length@#,1,-1]&
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| Aug 4, 2017 at 22:55 | history | answered | ZaMoC | CC BY-SA 3.0 |