643885
domain: N
Appears in sequences
- a(n) is the smallest number k such that the symmetric representation of sigma(k) has n parts.at n=15A239663
- a(n) is the smallest number k such that the symmetric representation of sigma(k) consists of n parts of width 1.at n=15A318843
- a(n) is the smallest number k whose symmetric representation of sigma(k) consists of n regions (or parts) and whose areas are strictly decreasing towards the diagonal.at n=15A338534