count files recursively in directories and sort results

gistfile1.txt

find . -maxdepth 3 -noleaf -type d -exec sh -c "ls -ltaR \"{}\" | wc -l | tr \"\n\" \" \" && echo \"{}\"" \; | sort -n

# or more simply without a sort:

find . -type d -maxdepth 1 -print0 -exec sh -c 'find "{}" -type f | wc -l' \;