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Timeline for Is this number triangular?

Current License: CC BY-SA 4.0

5 events
when toggle format what by license comment
Dec 6, 2018 at 20:43 history edited lynn CC BY-SA 4.0
LaTeXify formula
May 30, 2017 at 19:53 history edited Dennis CC BY-SA 3.0
added 18 characters in body
May 25, 2017 at 17:33 history edited Dennis CC BY-SA 3.0
edited body
May 25, 2017 at 2:52 history edited Dennis CC BY-SA 3.0
added 327 characters in body
May 22, 2017 at 21:51 history answered Dennis CC BY-SA 3.0