I like to play with numbers and program, so OEIS is a wonderful place to me.
Here are a few sequences with nice graphs...
- lacework: A003987,
- vessels: A004488, A048647, A048724, A163327,
- carpets: A056539, A059893, A059894, A081241, A129594,
- steam: A032523, A051027, A064809, A072871, A114183, A226483,
- fuzzy: A173822, A173823, A175500, A225985,
- burning: A071651, A109852,
- chaotic line: A072203, A163360,
- single line: A179243, A116700, A224853, A225571,
- multiple lines: A106001, A133182, A173821.