# Lieb's square ice constant

> mathematical constant used in combinatorics

**Wikidata**: [Q17097221](https://www.wikidata.org/wiki/Q17097221)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lieb's_square_ice_constant)  
**Source**: https://4ort.xyz/entity/lieb-s-square-ice-constant