[Sharlin]

Worth noting that this sequence was introduced, of all places, as an answer to a codegolf.stackexchange question in 2021!

https://codegolf.stackexchange.com/a/219466

[tromp]

Indeed; a lot of gems are to be found there. Like this 49 bit program to exceed Graham's Number [1].

[1] https://codegolf.stackexchange.com/questions/6430/shortest-t...