59810

Appears in sequences

• Numbers whose base-9 representation has exactly 6 runs.at n=20A043635
• The binary encoding (as a rooted planar tree) of each rooted planar binary tree. See A057123 for illustration.at n=20A057122
• Smallest n such that pi(n)=Floor[n/log((n-pi(n))/e)].at n=12A135325