Journal of Combinatorics
Volume 2 (2011)
A variation of the Stern-Brocot tree
Pages: 501 – 506
We study of a variation of the Stern-Brocot tree, in which not one but two fractions are inserted between each existing pair. Relating this tree to the original one gives rise to a permutation of the natural numbers.
Stern-Brocot tree, permutations of N