Beaton NR, Bouvel M, Guerrini V, Rinaldi S. Slicings of Parallelogram Polyominoes: Catalan, Schröder, Baxter, and Other Sequences. Electron. J. Combin. [Internet]. 2019Jul.19 [cited 2026Apr.3];26(3):P3.13. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i3p13