48610

Appears in sequences

• a(n) = running sum of the first n harmonic numbers, multiplied by the LCM of 1..n.at n=8A081530
• Duplicate of A081530.at n=8A081886
• Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Wiener number, W, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.at n=10A125081
• Triangle of transformations with k monotonic runs.at n=43A225753
• Number of ways to write n as an ordered sum of 10 nonzero decimal palindromes.at n=9A341207
• a(n) = binomial(2*n-2,n-1) - n.at n=9A359176
• 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=26A391402