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Omni-MATH / Let S=1,2,…,n for some integer n>1. Say a permutation π of S has a …k∈S if …π(k)>π(k+1) for k=1; …π(k−1)<π(k) and π(k)>π(k+1) for 1<k<n; …π(k−1)<π(k) for k=n. …n=5 and π takes va… · Discussion

Discussing Let S={1,2,…,n} for some integer n>1. Say a permutation π of S has a …k∈S if …π(k)>π(k+1) for k=1; …π(k−1)<π(k) and π(k)>π(k+1) for 1<k<n; …π(k−1)<π(k) for k=n. …n=5 and π takes va… · Omni-MATH

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