User talk:172.194.167.139

October 2021
Hello, I'm Jan Myšák. I wanted to let you know that one or more of your recent contributions have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. Jan Myšák (talk) 09:45, 3 October 2021 (UTC)

Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Triangular number have been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 22:53, 10 October 2021 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
 * For help, take a look at the introduction.
 * The following is the log entry regarding this message: Triangular number was changed by 172.194.167.139 (u) (t) ANN scored at 0.862518 on 2021-10-10T22:52:58+00:00