163212
domain: N
Appears in sequences
- Number of 7-element subsets of {1, 2, ..., n} having pairwise coprime elements.at n=30A186983
- Unitary barely deficient numbers: unitary deficient numbers k such that usigma(k)/k > usigma(m)/m for all unitary deficient numbers m < k, where usigma(k) is the sum of the unitary divisors of k (A034448).at n=10A302572