The numbers 2, 12-30, 32, 40, and 42 contain the letter G, and 8 and 38 do? (Saw this on the Wikipedia page for ban numbers)
![](https://i.redd.it/xooa0cu7kkhe1.png)
The last names of the first 18 presidents (including "Adams" twice) can be fit into an 11x11 square.
The last names of the first 18 presidents (including "Adams" twice) can be fit into an 11x11 square.