Keith, William J. “The 2-Adic Valuation of Plane Partitions and Totally Symmetric Plane Partitions”. The Electronic Journal of Combinatorics 19, no. 1 (February 29, 2012): #P48. Accessed April 12, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v19i1p48.