Timeline for Unrestricted grammar to generate $a^{n(n+1)/2}$
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 23, 2017 at 10:17 | history | edited | Sotiris Dimitras | CC BY-SA 3.0 |
added 12 characters in body
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| May 23, 2017 at 8:27 | comment | added | David Richerby | Nice. Glad you figured it out and thanks for posting it as an answer! | |
| May 22, 2017 at 22:08 | history | answered | Sotiris Dimitras | CC BY-SA 3.0 |