DBLP: R. Lowen Dubois & Prade dicen que en Lowen 1978 hay un enfoque categorico.

http://mathworld.wolfram.com/FareySequence.html

Farey sequences. Are they related to the sequences obtained from number in base n?

00001111
00110011
01010101in Math world

In wikipedia

"Introduction to Probability" in Adobe Portable Document Format (pdf)