Give a more helpful/self-descriptive example

[lewtds]

Contrary to the excellent first 1000 prime numbers from Knuth's original paper, I find yours very unintuitive. Why should we start with a license header? It's noise. Perhaps a toy problem like converting decimal to binary numbers could serve better to illustrate the technique?

[cmpitg]

Will change soon. It's a dummy example I keep when I moved it from
bogoengine.