639540
domain: N
Appears in sequences
- From the enumeration of corners.at n=8A006333
- a(n) = denominator of Sum_{k=1..n} k^mu(n+1-k), where mu(m) = A008683(m).at n=20A130492
- Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.at n=14A245861
- a(n) is the denominator of Sum_{primes p < n} 1/(n-p).at n=21A305702
- Triangle read by rows: T(n,k) is k-th entry of the toric g-vector of the n-dimensional cyclohedron, 0 <= k <= floor(n/2).at n=34A391402