mcnuggets_diophantine, an Octave code which finds the ways a given number N of Chicken McNuggets can be assembled, given that they are only available in packages of 6, 9, and 20.
The information on this web page is distributed under the MIT license.
mcnuggets_diophantine is available in a MATLAB version and an Octave version and a Python version.
octave_combinatorics, an Octave code which considers a variety of problems in combinatorics involving counting, combinations, permutations, and so on.