Hà, Tài Huy, Takayuki Hibi, and Fabrizio Zanello. “A Special Class of Pure $O$-Sequences”. The Electronic Journal of Combinatorics 32, no. 1 (March 28, 2025): P1.48. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i1p48.