Khovanova, Tanya, and Eric Zhang. “Limit Densities of Patterns in Permutation Inflations”. The Electronic Journal of Combinatorics 28, no. 1 (January 29, 2021): P1.24. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i1p24.