421596
domain: N
Appears in sequences
- Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 5.at n=17A244706
- Numbers n such that there exists an x!=n that makes {n,n,x} an amicable multiset.at n=20A259302
- Abundant numbers n such that sigma(sigma(n) - 2*n) = sigma(n).at n=22A292365
- Integers k such that there exists an integer 0<m<k such that sigma(k) = sigma(m) = m + 2*k.at n=11A383239