Garver, Alexander, Kiyoshi Igusa, Jacob P. Matherne, and Jonah Ostroff. “Combinatorics of Exceptional Sequences in Type A”. The Electronic Journal of Combinatorics 26, no. 1 (February 8, 2019): P1.20. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i1p20.