163175

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= n/3.at n=36A048000
• Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-1)/3.at n=36A048013
• Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n+1)/3.at n=36A048046
• Number of permutations of [n] having exactly 10 strong fixed blocks.at n=4A225971
• Number of subsets of {1,2,...,n} such that no two elements differ by 1, 2, or 5.at n=33A375980