On the poset of King-Non-Attacking permutations

A king-non-attacking permutation is a permutation $π\in S_n$ such that $|π(i)-π(i-1)|\neq 1$ for each $i \in \{2,\dots,n\}$. We investigate the structure of the poset of these permutations under the containment relation, and also provide some results on its Möbius function.

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