Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The table with entries (u, v) updated for the cases when either u or v (but not both) has only one child
| {ab} | {cde} | {f} | {g} | {hi} | {j} | |
|---|---|---|---|---|---|---|
| {ab} | – | 0 | 0 | 3 | 1 | 0 |
| {c} | – | 0 | 0 | 0 | 0 | 0 |
| {h} | 3 | 0 | 0 | 2 | 1 | 0 |
| {de} | 0 | 0 | 0 | 0 | 0 | 0 |
| {f} | 0 | 0 | 0 | 0 | 0 | 0 |
| {g} | 2 | 0 | 0 | 2 | 1 | 0 |
| {ij} | 0 | 0 | 0 | 0 | 0 | 0 |
