Irvine V, Melczer S, Ruskey F. Vertically Constrained Motzkin-Like Paths Inspired by Bobbin Lace. Electron. J. Combin. [Internet]. 2019May3 [cited 2026Mar.28];26(2):P2.16. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i2p16