ont face="Arial" color="#000100" size="3"> + 
</font><font face="Symbol" color="#000100" size="3">g
</font><font face="Arial" color="#000100" size="2"><sub>jk
</sub></font><font face="Arial" color="#000100" size="3"><sub><br>
</sub></font><font face="Arial" color="#000100" size="3"><br>where n
</font><font face="Arial" color="#000100" size="2"><sub>ij
</sub></font><font face="Arial" color="#000100" size="3"> = 
</font><font face="Symbol" color="#000100" size="3">S
</font><font face="Arial" color="#000100" s