323520

Appears in sequences

• Number of permutations of 0..n-1 with all sums of 2 through 2 adjacent terms squared respectively unique.at n=8A147731
• Number of permutations of 1..n with all sums of 2 through 2 adjacent terms squared respectively unique.at n=8A147736
• Number T(n,k) of permutations p of [n] such that |p(i+k) - p(i)| <> k for i in [n-k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=52A333706
• Number of permutations p of [n] satisfying |p(i+7) - p(i)| <> 7 for all 1 <= i <= n-7.at n=9A360384