49863

Appears in sequences

• a(n) = Sum_{k = 1..n} (n - k + 1)^k.at n=10A003101
• Least k such that the first k terms of A006928 contain n more 2's than 1's.at n=30A025507
• Sum[k^(n-k)], where sum is over positive integers, k, where k <= n and gcd(k,n) = 1.at n=10A057791
• Indices in A006928 where the imbalance between 1's and 2's sets a new record.at n=43A274775
• Number T(n,k) of set partitions of [n] such that the maximal absolute difference between the least elements of consecutive blocks equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.at n=57A287215