Rohatgi, Ranjan. “Enumeration of Lozenge Tilings of Halved Hexagons With a Boundary Defect”. The Electronic Journal of Combinatorics 22, no. 4 (October 30, 2015): P4.22. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i4p22.