https://library.wolfram.com/infocenter/Articles/3345/
Ranking and unranking permutations with applications -- from Wolfram Library Archive
Permutation theory has many applications in several fields of science and technology and it also has a charm in itself. Mathematica is particularly suitable...
rankingpermutationsapplicationswolframlibrary
https://zamboch.blogspot.com/2007/10/ranking-and-unranking-permutations-of.html
Zamboch: Ranking and unranking permutations of multiset
Few years ago I started to play with my toy Cube21 programaticaly. I will probably write another article about that later. For that toy nee...
rankingpermutationsmultiset