Monthly Archives: August 2021

A few words about PWW #33: subset permutations

My previous post showed four rows of diagrams, where the th row (counting from zero) has diagrams with dots. The diagrams in the th row depict all possible paths that start at the top left dot, end at the top … Continue reading

Posted in combinatorics, posts without words | Tagged , , , | 6 Comments

Post without words #33

Posted in combinatorics, posts without words | Tagged , , | 4 Comments